- Excavator All
- Next Generation Hydraulic Excavators
Introduction
The following procedure explains how to replace the glass of the right side window in the cab for all Next Generation Excavators.
Do not perform any procedure in this Special Instruction until you have read the information and you understand the information.
Safety Section
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Do not operate or work on this product unless you have read and understood the instruction and warnings in the relevant Operation and Maintenance Manuals and relevant service literature. Failure to follow the instructions or heed the warnings could result in injury or death. Proper care is your responsibility. |
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Failure to follow all safety guidelines prescribed in this document and by governing authorities and regulatory agencies may result in severe injury or death of personnel or machine damage. |
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Personal injury or death can result from improper maintenance procedures. To avoid injury or death, follow the procedures exactly as stated below. |
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Personal injury can result from improper handling of chemicals. Make sure you use all the necessary protective equipment required to do the job. Make sure that you read and understand all directions and hazards described on the labels and material safety data sheet of any chemical that is used. Observe all safety precautions recommended by the chemical manufacturer for handling, storage, and disposal of chemicals. |
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Climbing equipment may be required to access this service point. Refer to the Operation and Maintenance Manual, "Mounting and Dismounting" topic for safety information. |
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Do not operate the machine if any guards or covers are missing or inadequately secured. Personnel could be seriously injured or machine damage may occur. |
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Avoid prolonged skin contact with isopropyl alcohol. Avoid breathing the vapors in enclosed areas without adequate ventilation and do not smoke. Isopropyl alcohol is flammable. Do not use near open flame, welding operations, or around heated surfaces exceeding |
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Personal injury or death can result from improper troubleshooting and repair procedures. The following troubleshooting and repair procedures should only be performed by qualified personnel familiar with this equipment. |
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Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting, and repair of the product. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids. Refer to Special Publication, PERJ1017, "Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on Cat® products. Dispose of all fluids according to local regulations and mandates. |
Required Tools
| Required Tools | ||
|---|---|---|
| Item | Part Number | Part Name |
| Window Tool Kit(1) | ||
| T1 | Cutting Wire | |
| T2 | Knife | |
| T3 | Knife | |
| T4 | Tool (Suction Cup Holder) | |
| T5 | Caulk Gun | |
| T6 | Tape | |
| T7 | Button | |
| T8 | Glove | |
| T9 | Blade | |
| T10 | Wire Handles | |
| T11 | Brush (Sponge) | |
| (1) | This kit contains items (T1) through item (T11) |
| Adhesives and Cleaners/Primers | |
|---|---|
| Part Number | Part Name |
| Loctite 595 CL RTV 300ML | Silicone Adhesive Sealant
Clear(1) |
| Loctite RTV Silicon Clear 300ML | Silicone Adhesive Sealant
Clear(1) |
| Sika 255 FC Adhesive
Black |
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| Sika Tack-Plus Booster Adhesive
Black |
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| Sika Activator Primer | |
| Sika 206 G + P Primer | |
| - | Sika 209 D |
| - | Sika Activator UH-2 LUM |
| - | Sika 295 UV |
| Cleaner | |
| Cleaner (EAME Only) | |
| (1) | Loctite 595 CL RTV 300ML can be used in place of Loctite RTV Silicon Clear 300ML if the temperature is below |
Loctite 595 CL RTV 300ML is for glass to glass joints. Adhesive will be fully dry in 24 hours.
Loctite RTV Silicon Clear 300ML can only be used if the temperature is above
Sika 255 FC Adhesive (black), should be used when a slow cure time is needed. Adhesive will be fully dry in 4 to 6 hours at
Sika Tack-Plus Booster Adhesive (black), should be used when a faster cure time is required. Adhesive will be fully dry in 1 to 2 hours at
Sika Activator Primer must be used with Sika Tack-Plus Booster Adhesive.
Sika 206 G & P Primer should be used with Sika 255 FC, or withSika Tack-Plus Booster for glass that does not have a ceramic coating (fretting).
Sika 209 D should be used when you are bonding to a polycarbonate.
Sika Activator UH-2 LUM is used to clean and give improved adhesion on glass, ceramic-coated glass, the cut face of old polyurethane adhesive beads, polyurethane coated window glass, and paints.
Sika 295 UV is a polyurethane adhesive/sealant used to bond polycarbonate.
Installation Procedure
- Install the thermal bond (2) and spacers (1) on the glass of repairer part.
- Remove the right side window from the machine:
- Use utility knife (T2) to remove the bonding adhesive on the window.
- Use wire (T1) to remove any adhesive the knife cannot reach. Pull the wire from in and out of the cab.
Show/hide table
Illustration 2 g06363343 - Remove the window by pushing from the rear of the machine. Once half way removed, pull from the front of the machine.
Note: Apply force to the window from inside and outside the cab.
- Remove any remaining adhesive from the cab, then clean.
- Install the new window on the machine:
- Apply the bonding adhesive to the thermal bond on the new window.
Show/hide table
Illustration 3 g06363369 - Assemble the glass by sliding from the front of the cab to the rear.
- Crimp the glass by pushing from the outside and pulling from the inside.
- Let the bonding adhesive dry, refer to "Required Tools" section for approximate wait times.
- Apply the bonding adhesive to the thermal bond on the new window.
- Clean the area of any excess adhesive.
- Attach any films that were on the previous window. Replace with the same part number.
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| Illustration 1 | g06363331 |
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(1) Spacer
(2) Thermal bond | |
