Bench Test Procedure For A TH31-E61 Oil/Gas Transmission With A Drop Box {3030} Caterpillar

Petroleum Transmission

TH31-E61 (S/N: LAD1-UP; SKY1-UP)

Introduction

Table 1

Revision	Summary of Changes in REHS3442
02	Standardized.
01	Added new introduction and canceled part section.

© 2015 Caterpillar All Rights Reserved. This guideline is for the use of Cat dealers only. Unauthorized use of this document or the proprietary processes therein without permission may be violation of intellectual property law. Information contained in this document is considered Caterpillar: Confidential Yellow.

This special instruction contains the necessary information that is required to bench test-specific transmission arrangements. Bench testing the transmission ensures correct assembly and operation of the component. Rotating a transmission provides the most conclusive evaluation and allows the dealer to ensure that the transmission will operate properly in the machine. The specifications in this guideline are specific to bench testing the component. Every effort has been made to provide the most current information that is known to Caterpillar. Continuing improvement and advancement of product design might have caused changes to your product which are not included in this publication. This guideline must be used with the latest technical information that is available from Caterpillar.

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Table 2

Machine Model

TH31-E61

Canceled Part Numbers and Replaced Part Numbers

This document may include canceled part numbers and replaced part numbers. Use NPR on SIS for information about canceled part numbers and replaced part numbers. NPR will provide the current part numbers for replaced parts.

Important Safety Information

Illustration 1	g02139237

Follow all safety warnings. Most accidents that involve product operation, maintenance, or repair are caused by failure to observe safety warnings. An accident can often be avoided by recognizing potentially hazardous situations before an accident occurs. Personnel must be properly trained to perform maintenance, repair, or operate any machine. Safety precautions and warnings are provided this instruction and on Caterpillar products. These warnings should be observed before performing any procedures. Caterpillar cannot anticipate every possible circumstance that might involve a potential hazard. The warnings in this publication and on the product are not all inclusive.

The hazards are identified by the “Safety Alert Symbol” which is followed by a “Signal Word” such as “DANGER”, “WARNING, or” “CAUTION”. The “WARNING” Safety Alert Symbol is shown in illustration below.

Illustration 2	g00008666

This safety alert symbol means:

Pay Attention!

Become Alert!

Your Safety is Involved.

The message that appears under the safety alert symbol explains the hazard.

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 safety information in this document and the safety information on the machine are not all inclusive. Determine that the tools, procedures, work methods, and operating techniques are safe. Determine that the operation, lubrication, maintenance, and repair procedures will not damage the machine. Also, determine that the operation, lubrication, maintenance, and repair procedures will not make the machine unsafe.

The information, the specifications, and the illustrations that exist in this guideline are based on information which was available at the time of publication. 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, most current information before you start any job. Caterpillar dealers can supply the most current information.

Collecting the Test Data

Since conditions vary for each test bench, use the data that is collected from your test bench. The collected data is used to compare test results. The data should be collected and maintained by the operator.

Data from each transmission arrangement is collected and stored. Averages from each transmission arrangement are used to compare values on portions of this transmission test. Always compare data that is collected from the same transmission arrangement that is being tested. Averages for the last 20 transmission arrangements should be maintained.

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Personal injury or death can result from escaping fluid under pressure. Escaping fluid under pressure, even a very small pin-hole size leak, can penetrate body tissue and cause serious injury and possible death. If fluid is injected into your skin, it must be treated immediately by a doctor familiar with this type of injury. Always use a board or cardboard when checking for a leak.

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Hot oil and components can cause personal injury. Do not allow hot oil or components to contact skin.

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Personal injury or death can result from not following the proper procedures. To avoid the possibility of injury or death, follow the established procedure.

Tools Needed

Note: Pressures will be sensitive to tooling setup. The diameter of the hose, the diameter of a fitting, and additional filtering can affect pressure. The required tools that are listed in Table 3 were used to develop this test procedure.

Table 3

Required Tools
Tool	Part Number	Part Description	Qty
A	8C-0537	Bolt (M14X2.00X90mm)	8
	5P-8246	Washer	8
	8T-0348	Bolt (M16X2.0X50 mm)	4
	3B-4510	Lockwasher	4
	6V-9167	Bolt (M20X2.5X140 mm)	2
	8T-3282	Hard Washer	2
	439-3939	Link Bracket As	4
	4C-9998	Bracket As (TEST)	2
	1U-9584	Rail As	2
B	439-3939	Link Bracket As	2
	8T-0348	Bolt (M16X2.0X50 mm)	2
	9X-8268	Hard Washer	2
C	439-3939	Link Bracket As	2
	6V-5685	Bolt (M14X2.00X50mm)	2
	5P-8246	Hard Washer	2
D	1U-9722	Load Binder As (RATCHET TYPE)	3
	439-3940	Link Bracket As	2
	8T-4139	Bolt (M10X1.50X25 mm)	2
	8T-4223	Hard Washer	2
	1D-4719	Full Nut	2
E	217-9717	Drive Adapter	1
	6V-8200	Bolt (M12X1.25X35 mm)	6
F	4C-4701	Spindle Adapter	1
	2J-5245	Bolt (3/8-16X1.75 inch)	4
	3B-4506	Lockwasher	4
G	1U-5999	Spindle Gp	1
	8B-7997	Bolt (1/2-13X2.00 inch)	4
	3B-4506	Lockwasher	4
H	1U-6721	Adapter Assembly	1
J	1U-9131	Adapter(1)	1
K	1U-9359	Adapter(2)	1
L	1U-8301	Fitting	2
	9U-7445	Adapter	2
	1P-4578	Half Flange	4
	8C-9024	Fitting As (PLAIN)	2
	6V-3822	Bolt (M120X1.750X35 mm)	8
	6V-5839	Hard Washer	8
	6V-3965	Fitting As (TEST)	2
	3J-1907	O-Ring Seal	2
M	1U-8301	Fitting	2
	9U-7445	Adapter	2
	1P-4578	Half Flange	4
	2P-8334	Fitting As (PLAIN)	2
	1P-5598	Fitting	1
	6V-3822	Bolt (M120X1.750X35 mm)	8
	6V-5839	Hard Washer	8
	6V-3965	Fitting As (TEST)	2
	3J-1907	O-Ring Seal	2
N	9U-5893	Heat Exchanger	1
P	277-2362	Transmission Analyzer Tool Gp	1
	306-0397	Extension Cable	1
	304-9163	Adapter	1

(1)	This adapter is used for the small drive shaft.
(2)	This adapter is used for the large drive shaft.

Installation Procedure

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Illustration 3	g01390891

1. Install Tooling (A) to the test bench.
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   Illustration 4	g01390894

2. Install Tooling (B) to the transmission.
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   Illustration 5	g01390895

3. Use a hoist to install the transmission on the test bench. Secure the transmission to Tooling (A). The weight of the transmission is 1259 kg (2775 lb).
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   Illustration 6	g01390896

4. Install Tooling (C) to both sides of the transmission.
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   Illustration 7	g01390898

5. Install Tooling (D) to Tooling (A) to secure the transmission to the test bench.

   Note: Over-tightening Tooling (D) can jeopardize the tightening ability of the castle nuts on Tooling (A) later in this section.

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   Illustration 8	g01390900

6. Install Tooling (E) to the transmission.
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   Illustration 9	g01390901

7. Install Tooling (F) to the transmission case.
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   Illustration 10	g01390903

8. Install Tooling (G) on Tooling (F).
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   Illustration 11	g01390906

9. Tighten the collet on Tooling (G) to connect Tooling (G) to Tooling (E).

   Note: Refer to Special Instruction, SEHS8763, "Assembly and Operation of 1U-5999 Spindle Group Used for Testing Transmissions on Hydraulic Test Bench" for additional information.

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   Illustration 12	g01390911

10. Install Tooling (H) to the input shaft of Tooling (G).
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    Illustration 13	g01390913

11. Install Tooling (J) to the input shaft of Tooling (H).

    Note: Tooling (J) will adapt to the small drive shaft. If you are using the large drive shaft, install Tooling (K) on Tooling (H).

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    Illustration 14	g01390917

12. Align the transmission with the input drive shaft.

13. Connect the input drive shaft to Tooling (J).
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    Illustration 15	g01390920

14. Install the drive shaft guard.
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    Illustration 16	g03802221

15. Tighten all four castle nuts and jack bolts.

16. Re-tighten Tooling (D)
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    Illustration 17	g01390922

17. Install Tooling (L).
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    Illustration 18	g01390925

18. Install Tooling (M).
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    Illustration 19	g01390926
    (1) Torque Converter Outlet Flow

19. Connect hose assembly (1) from Tooling (L) to the No.2 flow meter inlet.
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    Illustration 20	g01390927

20. Connect hose assembly (2) from the No.2 flow meter outlet to Tooling (N).
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    Illustration 21	g01390932

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    Illustration 22	g01390930
    (3) Lubrication Oil Flow

21. Connect hose assembly (3) from Tooling (N) to Tooling (M).
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    Illustration 23	g01390934

22. Connect lube line (4) from the test bench to Tooling (G). Maintain an oil pressure of 69 kPa (40 psi).
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    Illustration 24	g01390936
    (5) Transmission Hydraulic Control Relief Valve

23. Connect a pressure gauge to pressure tap (5).
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    Illustration 25	g01390937
    (6) Torque Converter Inlet Pressure

24. Connect a pressure gauge to pressure tap (6).
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    Illustration 26	g01390938
    (7) Transmission Pump Pressure

25. Connect a pressure gauge to pressure tap (7).
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    Illustration 27	g01390941
    (8) Drop Box Controls Rail Pressure

26. Connect a pressure gauge to pressure tap (8).
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    Illustration 28	g01390945
    (9) Lockup Clutch Pressure

27. Connect a pressure gauge to pressure tap (9).
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    Illustration 29	g01392555
    (10) Torque Converter Outlet Pressure

28. Connect a pressure gauge to pressure tap (10).
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    Illustration 30	g01392557
    (11) Lubrication Pressure

29. Connect a pressure gauge to pressure tap (11).
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    Illustration 31	g01392558
    (12) Drop Box Lube Pressure

30. Connect a pressure gauge to pressure tap (12).
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    Illustration 32	g01392560
    (13) No. 1 Clutch Pressure (14) No. 2 Clutch Pressure (15) No. 3 Clutch Pressure (16) No. 4 Clutch Pressure (17) No. 5 Clutch Pressure

31. Connect five pressure gauges to pressure taps (13) , (14), (15), (16) , and (17).
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    Illustration 33	g01392561
    (18) Work Mode Disengage Pressure (19) Work Mode Engage Pressure

32. Connect two pressure gauges to pressure taps (18) and (19).
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    Illustration 34	g01392562
    (20) Road Mode Disengage Pressure (21) Road Mode Engage Pressure

33. Connect two pressure gauges to pressure taps (20) and (21).
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    Illustration 35	g01392919
    Tooling (P)

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    Illustration 36	g06024450

34. Connect Tooling (P) to the ECM harness (22).

Test Procedure

TA3 Navigation

1. Select “OEM Transmissions”.

2. Select "TH31FT - 12V - RWD", "TH31FT - 12V - WM", "TH31FT - 24V - RWD", or "TH31FT - 24V -WM".

Harness Test

1. Make sure that the harness is properly connected.

2. Use Tooling (P) to perform the Harness Test which will provide resistance readings for each solenoid.

3. Record the values in Table 6.

   Note: Do not continue testing until Harness Test passes.

Start Checks

1. If you are using SAE 10W oil, warm the oil to 50 °C (125 °F). If you are using Mobil DTE11 oil, warm the oil to 34 °C (95 °F). Maintain this temperature for the duration of the test.
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   Illustration 37	g02720621

   Note: The transmission must be in the NEUTRAL position.

2. Rotate the input shaft in a counterclockwise direction. Adjust the input rotation to 800 ± 30 rpm. Hold until the lubrication pressure rises to 14 kPa (2 psi).

   Note: The input shaft will be rotated in a counterclockwise direction for the duration of this test. The direction is determined as you face the drive motor of the test bench.

3. Shift the transmission through all gears to eliminate air from the transmission controls.

4. The lubrication pressure must be 41 ± 28 kPa (6 ± 4 psi).

   Note: If there is no lube pressure after 3 seconds, stop input rotation and check connections on test bench and transmission.

5. Record the value in Table 7.

6. Verify that the active clutches are correct for each gear range. Refer to Table 4.

Table 4

Clutch Engagement Check
Gear	Cl 1	Cl 2	Cl 3	Cl 4	Cl 5
N					X
R			X		X
F1	X				X
F2	X			X
F3	X		X
F4	X	X
F5		X	X
F6		X		X

Warmup and Low Idle Checks

Note: Make all shifts from NEUTRAL at 700 ± 10 rpm.

1. Adjust the input rotation to 700 ± 10 rpm in the NEUTRAL position.

2. Shift the transmission to FORWARD 1.

3. Adjust the input rotation to 700 ± 10 rpm.

4. Shift the transmission through positions FORWARD 2, FORWARD 3, FORWARD 4, FORWARD 5, and FORWARD 6.

5. Adjust the input rotation to 700 ± 10 rpm in the FORWARD 6 position.

6. Shift the transmission through positions FORWARD 5, FORWARD 4, FORWARD 3, FORWARD 2, FORWARD 1, and NEUTRAL.

7. Repeat Steps 2 through 6 until the transmission oil reaches a minimum temperature of 47 °C (117 °F).

   Note: The minimum oil temperature of 47 °C (117 °F) must be maintained for two full cycles through the forward gear ranges.

8. Adjust the input rotation to 700 ± 10 rpm in the NEUTRAL position.

9. Shift the transmission through each gear range.

10. Record the values in Table 9 and 11.

11. Verify all test points with the values in Table 8 and Table 10.

High Idle Checks

Note: Make all shifts from NEUTRAL at 700 ± 10 rpm.

1. Adjust the input rotation to 700 ± 10 rpm in the NEUTRAL position.

2. Shift the transmission to REVERSE.

3. Verify that the active clutches are correct for each gear range. Refer to Table 4.

4. Adjust the input rotation to 2200 ± 10 rpm.

5. Record the values in Table 13 and Table 15.

6. Verify all test points with the values in Table 12 and Table 14.

7. Adjust the input rotation to 700 ± 10 rpm.

8. Shift the transmission to NEUTRAL.

9. Shift the transmission to FORWARD 1.

10. Adjust the input rotation to 2200 ± 10 rpm.

11. Record the values in Table 13 and Table 15.

12. Verify all test points with the values in Table 12 and Table 14.

13. Adjust the input rotation to 700 ± 10 rpm.

14. Shift the transmission through the remaining forward ranges. Repeat Steps 10 through 13 for each gear range.

15. With the transmission in FORWARD 6, adjust the input rotation to 1450 ± 25 rpm.

16. Downshift the transmission through FORWARD 5, FORWARD 4, FORWARD 3, FORWARD 2, FORWARD 1, and NEUTRAL.

17. Adjust the input rotation to 0 rpm.

Pump Flow Check

1. Adjust the input rotation to 700 ± 10 rpm in NEUTRAL.

2. Shift the transmission to FORWARD 2.

3. Increase the input rotation until the cooler flow is equal to 95 ± 31 L/min (25 ± 8 US gpm).

4. The lubrication pressure must be 155 ± 24 kPa (23 ± 4 psi).

5. The input rotation must be between 1950 ± 100 rpm.

6. Record the values in Table 16.

7. Adjust the input rotation to 700 ± 10 rpm.

8. Shift the transmission through FORWARD 1 to the NEUTRAL position.

Drop Box Check

1. Shift the transmission into NEUTRAL and shift the Drop Box into Road Mode.

2. After Road Mode is engaged shift the transmission into FORWARD 3.

3. Adjust the input rotation to 2200 ± 10 rpm.

4. Record the Drop Box Lube, the Engaged Clutch pressure for Road mode, and the Disengaged Clutch pressure for Drawworks Mode in Table 18.

5. Shift the transmission to NEUTRAL.

6. With the transmission in NEUTRAL, shift the Drop box into Drawworks Mode.

7. After Drawworks Mode is engaged shift the transmission into FORWARD 3.

8. Adjust the input rotation to 2200 ± 10 rpm.

9. Record the Drop Box Lube, the Engaged Clutch pressure for Drawworks Mode, and the Disengaged Clutch pressure for Road Mode in Table 20.

10. Shift the transmission to NEUTRAL.

11. Compare the recorded pressures with the pressures in Table 17 and Table 19.

Contamination Control

1. Take an oil sample of the test bench oil supply. Oil contamination must be maximum ISO 16/13.

2. Record the results in Table 21.

3. Remove the transmission from the test bench if the test bench oil supply is within specifications.

Transmission Bench Test Data Sheet

Table 5

CATERPILLAR	Transmission Bench Test Data Sheet	Test Date:_______
		Model:_______
Work Order:_______		Serial No.:_______

Harness Test

Table 6

Harness Test	Measured Resistance (Ω at 25 °C (77 °F))
	Solenoid 1	Solenoid 2	Solenoid 3	Solenoid 4	Solenoid 5	Solenoid 6	TC Lock UP
	_______ ohms	_______ ohms	_______ ohms	_______ ohms	_______ ohms	_______ ohms	_______ ohms
	Work mode Engage		Work mode Disengage		Road Mode Engage		Road Mode Disengage
	_______ ohms		_______ ohms		_______ ohms		_______ ohms

Start Checks

Table 7

Lubrication Pressure

Input Speed (700 ± 10 rpm) Lubrication Pressure 41 ± 28 kPa (6 ± 4 psi)

_______kPa _______(psi)

Low Idle Checks

Table 8

Low Idle Checks 700 ± 10 rpm
Gear	Cooler Flow	Lube Pressure	Main Relief Valve Pressure	Torque Converter Inlet Pressure	Drop Box Lube Pressure	Lockup Clutch Pressure	Drop Box Controls Rail Pressure	Torque Converter Outlet Pressure	Drive/Work Output Speed
N	34 ± 11 L/min (9 ± 3 US gpm)	35 ± 28 kPa (5 ± 4 psi)	1586 ± 69 kPa (230 ± 10 psi)	159 ± 35 kPa (23 ± 5 psi)	62 ± 21 kPa (9 ± 3 psi)	1655 ± 138 kPa (240 ± 20 psi)	1655 ± 138 kPa (240 ± 20 psi)	97 ± 28 kPa (14 ± 4 psi)	0 rpm
R									170 ± 20 rpm
F1									145 ± 20 rpm
F2									300 ± 20 rpm
F3									450 ± 20 rpm
F4									700 ± 20 rpm
F5									974± 20 rpm
F6									1150± 20 rpm

Table 9

Low Idle Checks 700 ± 10 rpm
Gear	Cooler Flow L/min (gpm)	Lube Pressure kPa (psi)	Main Relief Valve Pressure kPa (psi)	Torque Converter Inlet Pressure kPa (psi)	Drop Box Lube Pressure	Lockup Clutch Pressure kPa (psi)	Drop Box Controls Rail Pressure kPa (psi)	Torque Converter Outlet Pressure kPa (psi)	Drive/Work Output Speed rpm
N	_______	_______	_______	_______			_______	_______	_______
R	_______	_______	_______	_______			_______	_______	_______
F1	_______	_______	_______	_______		_______	_______	_______	_______
F2	_______	_______	_______	_______		_______	_______	_______	_______
F3	_______	_______	_______	_______		_______	_______	_______	_______
F4	_______	_______	_______	_______		_______	_______	_______	_______
F5	_______	_______	_______	_______		_______	_______	_______	_______
F6	_______	_______	_______	_______		_______	_______	_______	_______

Table 10

Low Idle Clutch Pressures 700 ± 10 rpm
Gear	Cl 1	Cl 2	Cl 3	Cl 4	Cl 5
N					1655 ± 138 kPa (240 ± 20 psi)
R			1655 ± 138 kPa (240 ± 20 psi)		1655 ± 138 kPa (240 ± 20 psi)
F1	1655 ± 138 kPa (240 ± 20 psi)				1655 ± 138 kPa (240 ± 20 psi)
F2	1655 ± 138 kPa (240 ± 20 psi)			1655 ± 138 kPa (240 ± 20 psi)
F3	1655 ± 138 kPa (240 ± 20 psi)		1655 ± 138 kPa (240 ± 20 psi)
F4	1655 ± 138 kPa (240 ± 20 psi)	1655 ± 138 kPa (240 ± 20 psi)
F5		1655 ± 138 kPa (240 ± 20 psi)	1655 ± 138 kPa (240 ± 20 psi)
F6		1655 ± 138 kPa (240 ± 20 psi)		1655 ± 138 kPa (240 ± 20 psi)

Table 11

Low Idle Clutch Pressures 700 ± 10 rpm
Gear	Cl 1	Cl 2	Cl 3	Cl 4	Cl 5
N					___________
R			___________		___________
F1	___________				___________
F2	___________			___________
F3	___________		___________
F4	___________	___________
F5		___________	___________
F6		___________		___________

High Idle Pressure Checks

Table 12

High Idle Checks 2200 ± 10 rpm
Gear	Cooler Flow	Lube Pressure	Main Relief Valve Pressure	Torque Converter Inlet Pressure	Drop Box Lube Pressure	Lockup Clutch Pressure	Drop Box Controls Rail Pressure	Torque Converter Outlet Pressure	Drive/Work Output Speed
N	106 ± 8 L/min (28 ± 2 US gpm)	172 ± 35 kPa (25 ± 5 psi)	1793 ± 138 kPa (260 ± 20 psi)	621 ± 69 kPa (90 ± 10 psi)	345 ± 103 kPa (50 ± 15 psi)	3 ± 7 kPa (0.5 ± 1 psi)	1862 ± 69 kPa (270 ± 10 psi)	428 ± 35 kPa (62 ± 5 psi)	0 rpm
R						3 ± 7 kPa (0.5 ± 1 psi)		428 ± 35 kPa (62 ± 5 psi)	540 ± 20 rpm
F1						1793 ± 138 kPa (260 ± 20 psi)		441 ± 35 kPa (64 ± 5 psi)	500± 20 rpm
F2								400 ± 35 kPa (58 ± 5 psi)	940 ± 20 rpm
F3								400 ± 35 kPa (58 ± 5 psi)	1430 ± 20 rpm
F4								407 ± 35 kPa (59 ± 5 psi)	2190± 20 rpm
F5								407 ± 35 kPa (59 ± 5 psi)	3040 ± 20 rpm
F6								407 ± 35 kPa (59 ± 5 psi)	3600 ± 20 rpm

Table 13

High Idle Checks 2200 ± 10 rpm
Gear	Cooler Flow L/min (gpm)	Lube Pressure kPa (psi)	Main Relief Valve Pressure kPa (psi)	Torque Converter Inlet Pressure kPa (psi)	Drop Box Lube Pressure	Lockup Clutch Pressure kPa (psi)	Drop Box Controls Rail Pressure kPa (psi)	Torque Converter Outlet Pressure kPa (psi)	Drive/Work Output Speed rpm
N	________	________	________	________	________		________	________	________
R	________	________	________	________	________		________	________	________
F1	________	________	________	________		________	________	________	________
F2	________	________	________	________		________	________	________	________
F3	________	________	________	________		________	________	________	________
F4	________	________	________	________		________	________	________	________
F5	________	________	________	________		________	________	________	________
F6	________	________	________	________		________	________	________	________

Table 14

High Idle Clutch Pressures 2200 ± 10 rpm
Gear	Cl 1	Cl 2	Cl 3	Cl 4	Cl 5
N			1793 ± 138 kPa (260 ± 20 psi)		1793 ± 138 kPa (260 ± 20 psi)
R					1793 ± 138 kPa (260 ± 20 psi)
F1	1793 ± 138 kPa (260 ± 20 psi)				1793 ± 138 kPa (260 ± 20 psi)
F2	1793 ± 138 kPa (260 ± 20 psi)			1793 ± 138 kPa (260 ± 20 psi)
F3	1793 ± 138 kPa (260 ± 20 psi)		1793 ± 138 kPa (260 ± 20 psi)
F4	1793 ± 138 kPa (260 ± 20 psi)	1793 ± 138 kPa (260 ± 20 psi)
F5		1793 ± 138 kPa (260 ± 20 psi)	1793 ± 138 kPa (260 ± 20 psi)
F6		1793 ± 138 kPa (260 ± 20 psi)		1793 ± 138 kPa (260 ± 20 psi)

Table 15

High Idle Clutch Pressures 2200 ± 10 rpm
Gear	Cl 1	Cl 2	Cl 3	Cl 4	Cl 5
N					___________
R			___________		___________
F1	___________				___________
F2	___________			___________
F3	___________		___________
F4	___________	___________
F5		___________	___________
F6		___________		___________

Pump Flow Check

Table 16

Pump Flow Check	Input Speed (700 ± 10 rpm)
Lubrication Pressure		Input Speed
_______kPa _______(psi)		_______ rpm

Drop Box Check

Table 17

Drop Box Check
Road Mode	Road Mode Engaged Solenoid - Engaged Road Mode Disengaged Solenoid - Disengaged Drawworks Mode Engaged Solenoid - Disengaged Drawworks Mode Disengaged Solenoid - Engaged Input Speed - 2200 rpm
Road Mode Engaged Clutch Pressure	1793 ± 138 kPa (260 ± 20 psi)
Road Mode Disengaged Clutch Pressure	0 kPa (0 psi)
Drawworks Mode Engaged Clutch Pressure	0 kPa (0 psi)
Drawworks Mode Disengaged Clutch Pressure	1793 ± 138 kPa (260 ± 20 psi)
Drop Box Lube Pressure	345 ± 103 kPa (50 ± 15 psi)

Table 18

Drop Box Check
Road Mode	Road Mode Engaged Solenoid - Engaged Road Mode Disengaged Solenoid - Disengaged Drawworks Mode Engaged Solenoid - Disengaged Drawworks Mode Disengaged Solenoid - Engaged Input Speed - 2200 rpm
Road Mode Engaged Clutch Pressure	_______ psi
Road Mode Disengaged Clutch Pressure	0 kPa (0 psi)
Drawworks Mode Engaged Clutch Pressure	0 kPa (0 psi)
Drawworks Mode Disengaged Clutch Pressure	_______ psi
Drop Box Lube Pressure	_______ psi

Table 19

Drop Box Check
Drawworks Mode	Road Mode Engaged Solenoid - Disengaged Road Mode Disengaged Solenoid - Engaged Drawworks Mode Engaged Solenoid - Engaged Drawworks Mode Disengaged Solenoid - Disengaged Input Speed - 2200 rpm
Road Mode Engaged Clutch Pressure	0 kPa (0 psi)
Road Mode Disengaged Clutch Pressure	1793 ± 138 kPa (260 ± 20 psi)
Drawworks Mode Engaged Clutch Pressure	1793 ± 138 kPa (260 ± 20 psi)
Drawworks Mode Disengaged Clutch Pressure	0 kPa (0 psi)
Drop Box Lube Pressure	345 ± 103 kPa (50 ± 15 psi)

Table 20

Drop Box Check
Drawworks Mode	Road Mode Engaged Solenoid - Disengaged Road Mode Disengaged Solenoid - Engaged Drawworks Mode Engaged Solenoid - Engaged Drawworks Mode Disengaged Solenoid - Disengaged Input Speed - 2200 rpm
Road Mode Engaged Clutch Pressure	0 kPa (0 psi)
Road Mode Disengaged Clutch Pressure	_______ psi
Drawworks Mode Engaged Clutch Pressure	_______ psi
Drawworks Mode Disengaged Clutch Pressure	0 kPa (0 psi)
Drop Box Lube Pressure	_______ psi

Contamination Control

Table 21

ISO Particle Count

Sample the test bench oil supply. *ISO 4406 is 16/13 or better

________/________Particle Count

Table 22

______________________________________ Technician

______________________________________ Supervisor