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Introduction
Important Safety Information
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| Illustration 1 | g02139237 |
Think Safety | |
European Union Compliant, CE marked
Most accidents that involve product operation, maintenance, and repair are caused by failure to observe basic safety rules or precautions. An accident can often be avoided by recognizing potentially hazardous situations before an accident occurs. A person must be alert to potential hazards. This person should also have the necessary training, skills, and tools to perform these functions properly.
Improper operation, lubrication, maintenance, or repair of this product can be dangerous and could result in injury or death.
Do not operate or perform any lubrication, maintenance, or repair on this product until you have read and understood the Tool Operating Manual.
Safety precautions and warnings are provided in this manual and on the product. If these hazard warnings are not heeded, bodily injury or death could occur to you or to other persons.
The hazards are identified by the "Safety Alert Symbol" and followed by a "Signal Word" such as "DANGER", "WARNING", or "CAUTION". The Safety Alert "WARNING" label is shown below.
A non-exhaustive list of operations that may cause product damage are identified by "NOTICE" labels on the product and in this publication.
Caterpillar cannot anticipate every possible circumstance that might involve a potential hazard. The warnings in this publication and on the product are, therefore, not all inclusive. If a tool, procedure, work method, or operating technique that is not recommended by Caterpillar is used, the operator must be sure that the procedures are safe. The operator must also be sure that the product will not be damaged or made unsafe by any unspecified procedures.
The information, specifications, and illustrations in this publication are based on information that was available at the time that the publication was written. The specifications, torques, pressures, measurements, adjustments, illustrations, and other items can change at any time. These changes can affect the service that is given to the product. Obtain the complete and most current information before you start any job.
When replacement parts are required for this product Caterpillar recommends using Caterpillar replacement parts or parts with equivalent specifications including, but not limited to, physical dimensions, type, strength, and material.
Literature Information
This manual contains safety information, operation instructions and maintenance information and should be stored with the tool group
Some photographs or illustrations in this publication may show details that can be different from your service tool. Guards and covers might have been removed for illustrative purposes.
Continuing improvement and advancement of product design might have caused changes to your service tool, which are not included in this publication.
Whenever a question arises regarding your service tool or this publication, consult Dealer Service Tools (DST) for the latest available information.
Safety Section
The Safety section lists basic safety precautions.
Read and understand the basic precautions listed in the Safety section before operating or performing maintenance and repair on this service tool.
General Information Section
The General Information section describes tooling functions and features. The section provides useful information on individual parts, additional tooling, and resources.
Operation Section
The Operation section is a reference for the new operator and a refresher for the experienced operator.
Photographs and illustrations guide the operator through correct procedures for using the tool group.
Operating techniques outlined in this publication are basic. Skill and techniques develop as the operator gains knowledge of the service tool and the tools capabilities.
Maintenance Section
The Maintenance section is a guide to tool inspection, cleaning, storage, and tool disposal
Service Parts Section
The Service Parts section is a reference for parts identification and available part numbers.
Safety Icon Nomenclature
Personal Protection/Important Information
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| Illustration 2 | g02166423 |
Personal Protection/Important Information | |
Prohibited Action
| No smoking |
Hazard Avoidance
| Crushing hazard (foot) |
| Crushing hazard (hand) |
| Pinch point |
| Fire hazard |
| Electrical Shock - Hazard |
|
| Fire hazard |
General Information
Introduction
This manual covers the U5MK1110 Ampseal Connector Kit which includes plug assemblies (2), receptacle assemblies (1), pin contacts (5), plug contacts (4), seal plugs (6), silicone perimeter seals, and a removal tool (3), all in a convenient storage case.
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| Illustration 3 | g02715999 |
- Plug and receptacle assemblies are available in 2, 3, 4, 6, 8, and 12-pin versions.
- Intended for wire-to-wire connections.
- Sealed connector system is mechanically mated
- Designed with a lanceless contact system.
- Silicon gasket is bonded to mating part for a secure, watertight seal.
- Two-way sealing of interface and wires withstands harsh, wet conditions.
- Four keyed and color-coded styles guarantee successful mating of connectors.
- Plug connector ensures positive seating without backout.
Note: The U5MK1110 Ampseal Connector Kit does not contain the CH1-1155 Crimp Tool . The CH1-1155 Crimp Tool should be ordered separately.
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| Illustration 4 | g02716001 |
CH1-1155 Crimp Tool | |
Additional Contact Information
For additional product support questions concerning this tool, contact the Caterpillar Dealer Service Tools Hotline at:
USA: 1-800-542-8665, Option 1International:: 1-309-578-7372Materials
The receptacle and plug assemblies are made from glass-filled thermoplastic with silicone rubber seals. Pin contacts are made of brass, and socket contacts are made of copper alloy.
Acceptable Wire Diameters
Plug and receptacle assemblies will accept wires having insulation diameters from 2.24 to 3.94 mm (.088 to .155 in), except receptacles 28170060, 28170108, and 28170070, which accept insulation diameters between 1.35 and 2.30 mm (.053 and .091 in). Although contacts will accept other gauge wires with a wider range of insulation diameters, only 14, 16, and 18 AWG wires with insulation diameters within the recommended range should be used with the plug and receptacle assemblies in the U5MK1110 Ampseal Connector Kit .
| NOTICE |
|---|
The use of wires with insulation diameters outside the recommended range can cause damage to the wire seal and improper sealing, resulting in corrosion, and poor signal transmissions. |
Color Code Identification
TPA (terminal position assurance) covers on plug and receptacle assemblies are color coded to indicate mechanical polarization (key).
| Color Codes For Keys | |
| TPA Color | Key Number |
| Red | Key 1 |
| Gray | Key 2 |
| Yellow | Key 3 |
Note: Only matching TPA plug and receptacle assemblies can be connected. For example; 28170096 Plug (8 pin, TPA color red, Key 1) with 28170040 Receptacle (8 pin, TPA color red, Key 1).
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| Illustration 5 | g02716003 |
28170096 8-Pin Plug, Key 1 (TPA Color Red). 28170040 8-Pin Receptacle, Key 1 (TPA Color Red). | |
Storage
Store connector assemblies, contacts, and other components in the shipping containers until ready for use, to prevent deformation and contamination. Use contacts on a first in, first out basis to avoid storage contamination that can adversely affect signal transmissions.
| NOTICE |
|---|
Do not store contacts near any chemicals listed here: Alkalies, Amines, Ammonia, Carbonates, Citrates, Nitrates, Phosphates Citrates, Sulfides Nitrates, Sulfur Compounds, or Tartrates. Exposure to these chemicals may cause stress corrosion cracking in the contacts. |
U5MK1110 Ampseal Connector Kit
| U5MK1110 Ampseal Connector Kit | |||||
| Part No. | Item | Desc. | Key | TPA Color |
Qty. |
| 28140044 | Plug Assembly, Connector | 2-Pin - One Row | Key 1 | Red | 3 |
| 28170046 | Plug Assembly, Connector | 2-Pin - One Row | Key 2 | Gray | 3 |
| 28170047 | Plug Assembly, Connector | 2-Pin - One Row | Key 3 | Yellow | 3 |
| 28170019 | Plug Assembly, Connector | 3-Pin - One Row | Key 1 | Red | 5 |
| 28170045 | Plug Assembly, Connector | 3-Pin - One Row | Key 2 | Gray | 3 |
| 28170094 | Plug Assembly, Connector | 4-Pin - 2 Row | Key 1 | Red | 5 |
| 28170095 | Plug Assembly, Connector | 6-Pin - 2 Row | Key 1 | Red | 3 |
| 28170097 | Plug Assembly, Connector | 6-Pin - 2 Row | Key 2 | Gray | 3 |
| 28170096 | Plug Assembly, Connector | 8-Pin - 2 Row | Key 1 | Red | 3 |
| 28170092 | Plug Assembly, Connector | 12-Pin - 3 Row | Key 1 | Red | 3 |
| 28170098 | Plug Assembly, Connector | 12-Pin - 3 Row | Key 2 | Gray | 3 |
| 28170099 | Receptacle Assembly | 2-Pin - 1 Row | Key 1 | Red | 10 |
| 28170010 | Receptacle Assembly | 3-Pin - 1 Row | Key 1 | Red | 5 |
| 28170020 | Receptacle Assembly | 4-Pin - 2 Row | Key 1 | Red | 5 |
| 28170030 | Receptacle Assembly | 6-Pin - 2 Row | Key 1 | Red | 3 |
| 281700601 | Receptacle Assembly | 6-Pin - 2 Row | Key 2 | Gray | 3 |
| 28170040 | Receptacle Assembly | 8-Pin - 2 Row | Key 1 | Red | 3 |
| 28170050 | Receptacle Assembly | 12-Pin - 3 Row | Key 1 | Red | 3 |
| 281701081 | Receptacle Assembly | 12-Pin - 3 Row | Key 1 | Red | 3 |
| 281700701 | Receptacle Assembly | 12-Pin - 3 Row | Key 2 | Gray | 3 |
| 2900A021 | Pin, Connection | Contact - 16-18 AWG | - | - | 30 |
| 281700231 | Pin, Connection | Contact - 14 AWG | - | - | 30 |
| 2900A016 | Socket, Connection | Contact - 16-18 AWG | - | - | 30 |
| 281700242 | Socket, Connection | Contact - 14 AWG | - | - | 30 |
| 2900A011 | Seal Plug | Unused Circuit Plug | - | - | 30 |
| 28170080 | Perimeter Seal | 2-Pin Plug | - | - | 9 |
| 28170090 | Perimeter Seal | 3-Pin Plug | - | - | 8 |
| 28170079 | Removal Tool | Cover/Contact Removal Tool | - | - | 1 |
| NEEG3057 | Decal | Part Number Decal (Inside Lid) | - | - | 1 |
| NEEG3055 | Decal | Exterior of Box | - | - | 1 |
| CH1-1155 | Crimp Tool | Not part of group (order separately) |
- | - | 1 |
| 1Small Wire Seal. 2With Green I.D. Band. |
|||||
Component Description
Plug and Receptacle Assemblies
Plug and receptacle assemblies are available in 2, 3, 4, 6, 8, and 12-pin versions.
Plug assemblies (1) feature a color coded TPA (terminal position assurance) cover (12) that locks the socket contacts in place when in the closed position. Circuit identification numbers (5) are marked on each TPA cover and wire seal cover (14). Plug assemblies have TPA (terminal position assurance) keys (15) that ensure correct plug and receptacle connections. Plug assemblies also feature a CPA (connector position assurance) lock (6) to prevent the unintended separation of plug and receptacle connections. Silicone perimeter seal (13) on each plug assembly helps protect the mated plug and receptacle contact connections from moisture and dirt.
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| Illustration 6 | g02716005 |
(1) Plug Assembly. (5) Circuit Identification Numbers. (6) CPA (Connector Position Assurance) Lock. (12) TPA (Terminal Position Assurance) Cover. (13) Perimeter Seal. (14) Wire Seal Cover. (15) Keys. | |
Receptacle assemblies (2) feature a color coded TPA (terminal position assurance) cover (12) that locks the pin contacts in place when in the closed position. Circuit identification numbers (5) are marked on each TPA cover and wire seal cover (14). Receptacle assemblies have molded TPA (terminal position assurance) keys (15) that ensure correct plug and receptacle mating connections.
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| Illustration 7 | g02716007 |
(2) Receptacle Assembly. (5) Circuit Identification Numbers. (12) TPA (Terminal Position Assurance) Cover. (14) Wire Seal Cover. (15) Keys. | |
A special 28170079 Removal Tool (16), part of the service kit, is required to unlock and remove TPA covers and remove contacts from plug assemblies and receptacle assemblies.
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| Illustration 8 | g02716009 |
(16) 28170079 Removal Tool . | |
Both plug and receptacle assemblies feature a sealed, permanently attached wire seal cover (14) on the wire harness end of the housing.
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| Illustration 9 | g02716011 |
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| Illustration 10 | g02716012 |
(1) Plug Assembly. (2) Receptacle Assembly. (14) Wire Seal Cover. | |
| NOTICE |
|---|
Do not attempt to remove wire seal covers (14) from the plug or receptacle assembly. The housing will be damaged and no longer serviceable. |
A completed connector assembly consists of plug assembly (1) loaded with socket contacts (3) (crimped to wires) mated to receptacle assembly (2) loaded with pin contacts (4) (crimped to wires).
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| Illustration 11 | g02716016 |
(1) Loaded Plug Assembly. (2) Loaded Receptacle Assembly. (3) Crimped Socket Contact. (4) Crimped Pin Contact. | |
Contacts
Socket contacts (3) are only used in plug assemblies.
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| Illustration 12 | g02716021 |
(3) Socket Contact. (17) Crimp Barrel. (18) Inspection Hole. (37) Retention Shoulder. | |
Pin contacts (4) are only used in receptacle assemblies.
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| Illustration 13 | g02716025 |
(4) Pin Contact. (17) Crimp Barrel. (18) Inspection Hole. (37) Retention Shoulder. | |
28170024 Socket Contact (7) and 28170023 Pin Contact (8), with a green band (A) on the crimp area of the contact, are used with 14 AWG wire having an insulation diameter of 2.24 to 3.94 mm (.088 to .155 in).
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| Illustration 14 | g02716027 |
(7) 28170024 (Socket Contact). (8) 28170023 Pin Contact . | |
2900A016 Socket Contact (9) and 2900A021 Pin Contact (10), without color band markings, are used with 16 and 18 AWG wire having an insulation diameter of 2.24 to 3.94 mm (.088 to .155 in).
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| Illustration 15 | g02716029 |
(9) 2900A016 Socket Contact . (10) 2900A021 Pin Contact . | |
2900A011 Seal Plug (11) is inserted into unused circuits in plug and receptacle assemblies to seal out dirt and moisture.
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| Illustration 16 | g02716034 |
(11) 2900A011 Seal Plug . | |
Plug and Receptacle Assemblies
Disconnect
No tools are required to separate Ampseal connectors.
| NOTICE |
|---|
The use of tools to disconnect mating parts could damage the CPA (connector position assurance) or connector latch and prevent the secure reconnection of the plug and receptacle assemblies. |
- Slide red CPA tab (6) toward the rear (wire end) of plug assembly (1) until it clears connector latch (39) pad.
- To separate the mated connector assembly, depress the end of connector latch (39) near the wire end of plug assembly (1). Continue to squeeze the latch pad while pulling plug assembly and receptacle assembly (2) apart.
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| Illustration 17 | g02716036 |
(1) Plug Assembly. (2) Receptacle Assembly. (6) CPA Tab. (39) Connector Latch. | |
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| Illustration 18 | g02716040 |
(1) Plug Assembly. (2) Receptacle Assembly. (6) CPA Tab. (39) Connector Latch. | |
| NOTICE |
|---|
DO NOT pull on the wires to separate the two halves of any connector. This can cause damage to both the wires and connectors. |
Disassemble
The Ampseal connectors use a TPA cover to securely lock socket and pin contacts in place. The TPA cover must first be removed before contacts are removed from the connector.
- Insert the notched tip of 28170079 Removal Tool (16) into tool slot (35) in plug or receptacle TPA cover (12). Orient the removal tool so the notch is facing the center of the TPA cover. Hook the tool firmly against the edge of the tool slot and slowly pull on the TPA cover until it is completely removed from the plug or receptacle assembly. Retain the TPA cover for reassembly.
- Record the circuit number location and mark all wires to be removed from plug and receptacle assemblies. This information will be used during assembly.
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| Illustration 19 | g02716041 |
(1) Plug (or Receptacle) Assembly. (12) TPA Cover. (16) 28170079 Removal Tool (35) Tool Slot. | |
| NOTICE |
|---|
To prevent damage to the TPA cover, orient the removal tool so the notch is facing the center of the TPA cover. |
- Insert the tip of 28170079 Removal Tool (16) into the desired contact cavity with the tip of the tool under the lip of contact retention finger (42). Deflect the contact retention finger away from contact (9). Gently pull the wire until the contact is pulled free from the housing.
- Repeat the procedure in Step for the remaining contacts to be removed from the plug or receptacle assembly.
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| Illustration 20 | g02716042 |
(9) Contact. (16) Removal Tool. (42) Contact Retention Finger. | |
| NOTICE |
|---|
Attempting to remove contacts by rotating (wiggling) the wires, without using the extraction tool, can damage the plug assembly or receptacle assembly housing. This can result in reduced contact retention and can render the assembly unusable. |
- Service the removed contacts as required. Refer to the ""Contact Crimp Procedure" " section in this manual for contact crimping procedures.
Contact Crimp Procedure
To ensure proper electrical performance, contacts must be crimped using the CH1-1155 Crimping Tool (order separately) and the following procedure. DO NOT solder the wires into the contacts.
- Cut the end of the 14, 16, or 18 AWG wire square and clean.
- Strip 6.4 to 7.0 mm (.25 to .31 in) of insulation from the wire. Do not to cut or nick the copper wire strands. A properly stripped wire will touch the bottom of crimp barrel (17), with the wire visible through inspection hole (18). The wire insulation will be 1.5 mm (.06 in) from the end of the contact.
- Make sure wire selector gauge (20) on CH1-1155 Crimp Tool (19) is set to the wire size being crimped. If the wire selector gauge is properly set, proceed to Step 4. If the selector gauge setting does not match the wire size being crimped, proceed as follows.
- Remove lock clip (21) .
- Raise selector knob (22) and rotate until the arrow is aligned with the wire size to be crimped.
- Lower the selector knob and insert the lock clip.
Note: On the socket contact, the stripped wire is inserted into the end with inspection hole (18).
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| Illustration 21 | g02716044 |
(17) Crimp Barrel. (18) Inspection Hole. | |
- Loosen locknut (23) and turn adjusting screw (24) in until it stops.
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| Illustration 22 | g02716045 |
(19) CH1-1155 Crimp Tool . (20) Wire Selector Gauge. (21) Lock Clip. (22) Selector Knob. | |
- Insert contact (25) and turn adjusting screw (24) out until the wire/crimp end of the contact is flush with the tool face. Tighten locknut (23) .
 | |
| Illustration 23 | g02716046 |
(23) Locknut. (24) Adjusting Screw. | |
- The contact must be centered between crimp fingers (26). Insert the wire into the contact. Make sure that all wire strands are inside the crimp barrel.
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| Illustration 24 | g02716048 |
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| Illustration 25 | g02716049 |
(23) Locknut. (24) Adjusting Screw. (25) Contact. | |
- Crimp the wire in the contact by squeezing the handles of the crimp tool together until the handle hits the stop and automatically releases.
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| Illustration 26 | g02716050 |
(26) Crimp Fingers. | |
- Remove the crimped contact from the CH1-1155 Crimp Tool .
- Inspect the contact to make sure that all wire strands are in the crimped barrel and that crimp indent (27) falls in the center of the contact crimp barrel.
- If crimp indent (27) is not centered, or if wire strands are outside the crimp barrel, cut off the contact and repeat Steps through with a new contact.
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| Illustration 27 | g02716054 |
(27) Crimp Indent (Correct). | |
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| Illustration 28 | g02716058 |
(27) Crimp Indent (Incorrect). | |
Assemble
- Install TPA covers removed during disassembly.
- Align keys of the TPA cover with matching features on the plug or receptacle assembly. Insert extended TPA cover contact retention fingers inside the plug assembly housing.
- Carefully push the TPA cover to the unlocked position on the plug or receptacle assembly.
Note: Contact retention features in plug and receptacle assemblies will not engage if the contacts are inserted with the TPA covers in the locked position.
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Illustration 29 g02716059
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Illustration 30 g02716061
Note: Matching keyed features on the TPA cover and plug or receptacle assembly will orient the contact latching fingers in the correct position.
- Verify that the TPA covers are in the unlocked position.
- On plug assemblies (1), measure the distance from under plug flange (29) to the face of TPA cover (12), as shown. Minimum distance (30) should be 19.9 mm (.79 in). There will be clearance (31) visible between the seal and the lip of the TPA.
- On receptacle assemblies (2), measure the distance from face of TPA cover (12) to outer lip (32) of the receptacle assembly, as shown. Maximum distance (33) should be 14.0 mm (.55 in).
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Illustration 31 g02716064
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Illustration 32 g02716065
(1) Plug Assembly. (29) Plug Flange. (30) 19.9 mm (.79 in) Minimum Distance. (31) Clearance Between Seal and TPA.
- If a TPA cover is in the locked position, use the following procedure to unlock.
- Insert the notched tip of 28170079 Removal Tool (16) into tool slot (35) in the TPA cover of plug or receptacle assembly (1). Orient the tool so the notch is facing the center of the TPA cover. Hook the tool firmly against the edge of the tool slot and slowly pull on the TPA cover until it unlocks and moves forward approximately 5 mm (.20 in).
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| Illustration 33 | g02716067 |
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| Illustration 34 | g02716069 |
(2) Receptacle Assembly. (12) TPA Cover. (32) Outer Lip Of Receptacle Assembly. (33) 14.0 mm (.55 in) Maximum Distance. | |
- If a TPA cover is completely removed during the unlocking process, reinstall the TPA cover, making sure that it is only pushed on to the unlocked position.
| NOTICE |
|---|
To prevent damage to the TPA cover, orient the removal tool so the notch is facing the center of the TPA cover. |
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| Illustration 35 | g02716070 |
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| Illustration 36 | g02716071 |
(1) Plug Assembly. (2) Receptacle Assembly. (12) TPA Cover. (16) 28170079 Removal Tool . (35) Tool Slot. | |
- Grasp the appropriate wire approximately 25 mm (1.0 in) from the crimped contact. Align the contact with the desired circuit cavity at the rear of the connector. Push the contact straight into the cavity, forcing it through the wire seal.
- Continue to push the contact straight into the connector until contact retention finger (36) locks in place behind retention shoulder (37) on the contact, as indicated by an audible and tactile "click". A slight tug on the wire will confirm the contact is properly locked in place.
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| Illustration 37 | g02716076 |
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| Illustration 38 | g02716078 |
Note: Socket contacts should only be used in plug assemblies. Pin contacts should only be used in receptacle assemblies.
- When all required contacts have been inserted, complete the assembly by pushing the TPA cover into the fully locked position.
- Plug assembly TPA covers may be fully locked by holding the rear of the housing and pushing the TPA cover in until it snaps into the locked position.
- Receptacle assembly TPA covers may be fully locked by holding the rear of the housing while pushing in on the center of the recessed TPA cover with the tip of the 28170079 Removal Tool or a number 10 flatblade screwdriver, until the TPA cover snaps into the locked position.
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Illustration 40 g02716085
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| Illustration 39 | g02716083 |
(1) Plug (or Receptacle) Assembly. (36) Retention Finger. (37) Socket (or Pin) Contact Shoulder. | |
- Verify that all contacts are locked into place by giving each wire a slight tug with a force of 4.5 to 8 N (1 to 2 lb).
 | |
| Illustration 41 | g02716087 |
Note: To verify that TPA covers are fully locked, apply pressure to both TPA covers. One method to do this would be to install a mating plug to verify that the two assemblies fully engage.
- Insert 2900A011 Seal Plugs (11) into any plug assembly (1) or receptacle assembly (2) circuit without a wire. The seal plug should be pushed in until the flange on the seal plug is firmly against wire seal cover (14) .
 | |
| Illustration 42 | g02716092 |
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| Illustration 43 | g02716093 |
(1) Plug Assembly. (2) Receptacle Assembly. (11) 2900A011 Seal Plug . (14) Wire Seal Cover. | |
Connect Plug and Receptacle Assemblies
- When all contacts have been locked securely in position, complete the assembly of the connector system by mating matching plug assembly (1) and receptacle assembly (2) until connector latch (39) is fully engaged. An audible "click" will be heard.
- Securely lock plug assembly (1) and receptacle assembly (2) together by pushing red CPA (connector position assurance) tab (6) inward, sliding it under connector latch (39) pad, until it "clicks" into position. Once the CPA tab is locked, the connector latch pad cannot be depressed, preventing unintended separation of the plug and receptacle assembly.
 | |
| Illustration 44 | g02716099 |
(1) Plug Assembly. (2) Receptacle Assembly. (39) Connector Latch. | |
Note: Plug assembly latch tip (41) must extend past the two small lock tabs (40) on the receptacle assembly and in a fully horizontal position to be completely latched, as shown.
 | |
| Illustration 45 | g02716101 |
(1) Plug Assembly. (2) Receptacle Assembly. (40) Lock Tab. (41) Plug Assembly Latch Tip. | |
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| Illustration 46 | g02716102 |
(1) Plug Assembly. (2) Receptacle Assembly. (6) CPA Tab. (39) Connector Latch. | |
Perimeter Seal Replacement
- Perimeter seal (13) can be replaced on plug assemblies (1) when the connector is separated, using the following procedure.
- Remove TPA cover (12). Refer to Step 1 in the ""Disassemble" " section in this manual.
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Illustration 47 g02716106
(1) Plug Assembly. (12) TPA (Terminal Position Assurance) Cover. (13) Silicone Perimeter Seal.
- Remove perimeter seal (13) by sliding it off plug assembly (1) .
- Clean the sealing surface on the plug assembly.
- Install the new perimeter seal by sliding it on plug assembly (1) .
- Install TPA cover on the plug assembly. Refer to Step 1.a in the ""Assemble" " section in this manual.
Note: Make sure that the perimeter seal does not roll during the installation process.
