Bench Test Procedure for a 789D Off-Highway Truck Transmission{3030, 3030, 3073} Caterpillar

Off-Highway Truck/Tractor:

789D (S/N: SPD1-UP; SHH1-UP)

Introduction

Table 1

Revision	Summary of Changes in REHS9376
01	Standardized.
00	New Document.

© 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 a specific transmission arrangement. Refer to Table 2 for the correct arrangements. Bench testing the transmission ensures correct assembly and operation of the component. Rotating a transmission provides the most conclusive evaluation. Testing 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 in order 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.

For questions or additional information concerning this guideline, submit a form for feedback in the Service Information System. In order to address an urgent issue, use the following resources in order to communicate your request to Caterpillar Repair Process Engineering:

• Caterpillar Dealer Technical Communicator

• Dealer Solution Network

• Caterpillar Technical Representative

• Knowledge Network

Table 2

Machine Model	Transmission Arrangement
789D	351-0988

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 in order 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 often used in order to compare values on portions of transmission tests. 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 in order to develop this test procedure.

Table 3

Required Tools
Tool	Part Number	Part Description	Qty
A	1U-5935	Plate As	1
	0L-1178	Bolt (3/4-10X2.0 inch)	2
	5P-8248	Hard Washer	2
	2J-3506	Nut	2
	1B-4367	Bolt (5/8-11X3.5 inch)	2
	4B-5275	Washer	2
	1D-4720	Nut	2
	5D-6428	O-Ring Seal	1
B	1U-8654	Adapter (Splined)	1
	1U-5999	Spindle Gp	1
	8B-7997	Bolt (1/2-13X2.0)	4
C	1U-8654	Adapter (Splined)	1
D	1U-9584	Rail As	1
	1U-9586	Swivel Head Support Gp	1
E	1U-9722	Load Binder As	3
F	1U-8847	Adapter Plate	1
	2H-3740	Bolt (3/4-16X1.25 inch)	4
G	1U-9131	Drive Adapter (Key) (1)	1
H	1U-9359	Drive Adapter (2)	1
J	3B-6552	Elbow	1
	3B-7282	Nipple (Pipe)	1
	6V-4142	Fitting (Test)	1
K	4C-4898	Test Cover	1
L	6V-3965	Fitting	1
	3J-1907	O-Ring Seal	1
M	9U-7446	Adapter	2
	1U-8301	Fitting	2
	6V-3965	Fitting	2
	8C-9024	Fitting As	2
	1P-4579	Split Flange	4
	9S-1366	Bolt (1/2-13X1.25 inch)	8
	3J-1907	O-Ring Seal	2
N	1U-8301	Fitting	1
	9U-7445	Adapter	1
	1P-4578	Split Flange	2
	8C-9024	Fitting As	1
	6V-3965	Fitting	1
	3J-1907	O-Ring Seal	1
	0T-0319	Bolt (7/16-14X2.0 inch)	4
P	277-2362	Transmission Analyzer III Gp	1
	OR
	9U-7500	Electronic Control Gp	1
	9U-7498	Cable (Test)	1
	1U-9482	Adapter Cable	1
	4C-5974	Cable Adapter	1

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

Illustration 3	g01312859

Installation Procedure

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Illustration 4	g01312872

1. Install Tooling (A) .

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Illustration 5	g01315559

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.

2. Remove collet (1) and the drawbar bolt from Tooling (B) .

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Illustration 6	g01315564

3. Lubricate the outer diameter of Tooling (C) .

4. Install Tooling (C) in Tooling (B) .

5. Install the drawbar bolt. Tighten the drawbar bolt in order to retain Tooling (C) in Tooling (B). The correct torque is 169 N·m (125 lb ft).

6. Install Tooling (B) on Tooling (A) .

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Illustration 7	g03856673

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Illustration 8	g01312909

7. Install Tooling (D) on both ends of the transmission. Insert Tooling (D) into slots.

8. Use a hoist to install the transmission on the test bench. The weight of the transmission is 1907 kg (4206 lb).

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Illustration 9	g01312940

9. Remove transmission magnetic screen (2) .

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Illustration 10	g01312934

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Illustration 11	g01312936

10. Install Tooling (E) in order to prevent movement during testing.

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

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Illustration 12	g01312990

11. Install Tooling (F) .

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Illustration 13	g01312991

12. Install Tooling (G) on Tooling (F) .

    Note: Tooling (G) will adapt to the small drive shaft. When the large drive shaft is being used, install Tooling (H) on Tooling (G) .

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Illustration 14	g01313005

13. Align the transmission with the input drive shaft.

14. Connect the input drive shaft to Tooling (G) .

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Illustration 15	g01313009

15. Close and latch the drive shaft guard.

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Illustration 16	g03802221

16. Tighten all four castle nuts and jack bolts.

17. Tighten Tooling (E) to prevent movement during testing.

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Illustration 17	g01313025

18. Remove harness (3) .

19. Tighten Tooling (E) to prevent movement during testing.

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Illustration 18	g01313027

20. Remove step (4) .

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Illustration 19	g01313028

21. Remove cover (5) .

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Illustration 20	g01313101

22. Remove plug (6) .

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Illustration 21	g01313102

23. Install Tooling (J) .

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Illustration 22	g01313103

24. Install Tooling (K) .

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Illustration 23	g01313104

25. Install Tooling (L) .

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Illustration 24	g01313123

26. Install Tooling (M) .

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Illustration 25	g01313124

27. Install Tooling (N) .

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Illustration 26	g01313140
(7) Oil Supply

28. Connect hose (7) from the pressurized flow meter on the test bench to Tooling (M).

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Illustration 27	g01313141
(8) Oil Cooler Flow

29. Connect hose (8) from Tooling (M) to the inlet of the "Number 2" flow meter on the test bench.

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Illustration 28	g01313142
(9) Lubrication Inlet

30. Connect hose (9) from the outlet of the "Number 2" flow meter on the test bench to Tooling (N).

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Illustration 29	g01313143
(10) Spindle Lubrication

31. Connect hose (10) from the test bench to Tooling (B). Adjust Tooling (B) to maintain a lubrication pressure of 275 kPa (40 psi).

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Illustration 30	g01313837
(11) Transmission Lubrication Pressure

32. Connect pressure gauge (11).

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Illustration 31	g01313839
(12) Lockup Clutch Pressure

33. Connect pressure gauge (12) to Tooling (L) .

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Illustration 32	g01313890
(13) No. 4 Clutch Pressure (14) No. 5 Clutch Pressure (15) No. 6 Clutch Pressure (16) No. 2 Clutch Pressure (17) No. 1 Clutch Pressure (18) No. 3 Clutch Pressure

34. Connect pressure gauges (13), (14), (15), (16), (17), and (18) to the proper locations.

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Illustration 33	g01313927
(19) Priority Valve Pressure

35. Connect pressure gauge (19).

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Illustration 34	g01313930
(20) Supply Pressure

36. Connect pressure gauge (20).

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Illustration 35	g01313964

37. Connect Tooling (P) to the transmission.

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Illustration 36	g01313965

38. Connect Tooling (P) to a suitable location.

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Illustration 37	g01313979
Tooling (P)

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Illustration 38	g01457869
Tooling (P)

39. Connect Tooling (P) to a power source. Refer to Tool Operating Manual, NEHS0644 or Tool Operating Manual, NEHS0966 for the correct operating instructions.

Test Procedure

TA3 Navigation

1. Select "Generic ICM Xmsn".

2. Select "6/7 SPD-ICM-24V".

Harness Test (TA3 only)

1. Make sure that the harness is properly connected.

2. Use Tooling (P) to perform the solenoid test.

3. Record the values in Table 6.

   Note: Do not continue testing until harness test passes.

Solenoid Test (TA2 only)

1. Make sure that the harness is properly connected.

2. Use Tooling (P) to perform the solenoid test.

3. Record the values in Table 6.

   Note: Do not continue testing until solenoid test passes.

Start Checks

Note: Refer to Testing and Adjusting, UENR1063, "789D and 789D XQ Off-Highway Truck Power Train" for the correct adjusting procedures.

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.

2. Adjust the input flow to 65 ± 4 L/min (17 ± 1 US gpm).

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Illustration 39	g02720621

3. With the transmission in the NEUTRAL position, rotate the input shaft in a counterclockwise direction. Adjust the input rotation to 800 ± 30 rpm.

   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.

4. Shift the transmission through all directions and all speed ranges to eliminate air from the transmission controls.

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

6. Stop the input rotation.
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   Table 4

   Transmission Clutch Assignments
   Operation	Clutches
   	1	2	3	4	5	6
   Reverse	X					X
   Neutral 1			X
   Neutral 2	X
   Forward 1	X				X
   Forward 2		X			X
   Forward 3	X			X
   Forward 4		X		X
   Forward 5	X		X
   Forward 6		X	X

Initial Pressure Check

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Illustration 40	g01314751

1. Remove the load piston plugs (21) in each clutch station.

2. Adjust the input flow to 65 ± 4 L/min (17 ± 1 US gpm).

3. Adjust the input rotation to 800 ± 30 rpm.

4. The lockup clutch solenoid must be de-energized.

5. Set pump pressure to 2517 ± 41 kPa (365 ± 6 psi).

6. Shift the transmission through each gear range.

7. Stop the input rotation.

8. Stop the input flow.

9. Record the clutch pressure for each gear range in Table 8.

10. Verify all test points with the values in Table 7.

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Illustration 41	g01314771

11. Replace all of the load piston plugs except plug (22) .

Priority Reducing Valve Check

1. Adjust the input flow to 65 ± 4 L/min (17 ± 1 US gpm).

2. Adjust the input rotation to 800 ± 30 rpm.

3. Shift the transmission to the NEUTRAL 2 position.

4. Shift the transmission to the FORWARD 1 position.

5. The priority reducing valve pressure must be 1758 ± 35 kPa (255 ± 5 psi).

6. Shift the transmission to the NEUTRAL 2 position.

7. Stop the input rotation.

8. Stop the input flow.

9. Record the value in Table 9.

Neutralizer Valve Check

Note: Eliminate all incoming flow before performing this test. It may be necessary to shut down the test bench.

1. Stop the input rotation in any gear range except the NEUTRAL 1 position or the NEUTRAL 2 position.

2. Adjust the input flow to 65 ± 4 L/min (17 ± 1 US gpm).

3. Adjust the input rotation to 800 ± 30 rpm.

4. The neutralizer valve must prevent a pressure increase at any clutch station.

5. Shift the transmission to the NEUTRAL 1 position.

6. The pressure at clutch "3" must rise to normal operating pressure.

7. Stop the input rotation.

8. Stop the input flow.

9. Record the values in Table 10 and Table 11.

Lubrication Pressure Checks

1. Adjust the input flow to 65 ± 4 L/min (17 ± 1 US gpm).

2. Adjust the input rotation to 800 ± 30 rpm.

3. Shift the transmission to the FORWARD 1 position.

4. Record the lubrication pressure and lube flow in Table 12.

5. Shift the transmission to the NEUTRAL 2 position.

6. Adjust the input rotation to 600 rpm.

7. Shift the transmission to the REVERSE position.

8. Adjust the input speed to 800 ± 30 rpm.

9. Record the lubrication pressure and lube flow in Table 13.

10. The lubrication pressure must be within 7 kPa (1 psi) of the average for this arrangement.

11. The lube flow must be at least 86 kPa (13 psi).

12. Adjust the input flow to 148 ± 4 L/min (39 ± 1 US gpm).

13. Adjust the input rotation to 1850 ± 30 rpm.

14. Record lubrication pressure and lube flow in Table 13.

15. The lubrication pressure must be within7 kPa (1 psi) of the average for this arrangement. Reference is 48 ± 14 kPa (7 ± 2 psi).

16. The lube flow must be at least 214 kPa (31 psi).

17. Adjust the input speed to 600 rpm.

18. Shift the transmission to the NEUTRAL 2 position.

19. Shift the transmission to the FORWARD 1 position.

20. Adjust the input rotation to 1850 ± 30 rpm.

21. Record the lubrication pressure and lube flow in Table 13.

22. The lubrication pressure must be within 6.90 kPa (1 psi) of the average for this arrangement. Reference is 48 ± 14 kPa (7 ± 2 psi).

23. The lube flow must be at least 214 kPa (31 psi).

24. Shift the transmission through positions FORWARD 2, FORWARD 3, FORWARD 4, FORWARD 5, and FORWARD 6. Repeat step 21 for each gear range.

25. Adjust the input rotation to 800 ± 30 rpm.

26. Shift the transmission to the NEUTRAL 2 position.

27. Stop the input rotation.

28. Stop the input flow.

Lube Circuit Check

1. Shift the transmission to the FORWARD 2 position.

2. Adjust the input flow to 189 ± 4 L/min (50 ± 1 US gpm).

3. Adjust the input rotation to 1850 ± 30 rpm.

4. Record the lubrication pressure in Table 14.

5. The lubrication pressure must be within 6.90 kPa (1 psi) of the average for this arrangement. Reference is 62 ± 14 kPa (9 ± 2 psi).

6. Stop the input rotation.

7. Stop the input flow.

Low Idle Clutch Pressure Checks

1. Adjust the input flow to 65 ± 4 L/min (17 ± 1 US gpm).

2. Adjust the input rotation to 800 ± 30 rpm.

3. The lockup clutch solenoid must be de-energized.

4. Set low idle pressure to 2516.6 ± 172 kPa (365 ± 25 psi).

5. Shift the transmission through ranges REVERSE, NEUTRAL 2, and FORWARD 1.

6. Record the clutch pressure for each gear range in Table 16.

7. Verify all test points with the values in Table 15.

High Idle Clutch Pressure Checks

1. Adjust the input flow to 148 ± 4 L/min (39 ± 1 US gpm).

2. Adjust the input rotation to 800 ± 30 rpm with the transmission in the NEUTRAL 1 position.

3. The lockup clutch solenoid must be de-energized.

4. Adjust the input rotation to 1850 ± 30 rpm.

5. Set pump pressure to 2979 ± 193 kPa (432 ± 28 psi).

6. Record the clutch pressure in Table 18.

7. Adjust the input rotation to 800 ± 30 rpm.

8. Shift the transmission through positions NEUTRAL 2, REVERSE, and FORWARD 1. Repeat Steps 4 through 7 for each gear range.

   Note: Always shift back to NEUTRAL when shifting between FORWARD and REVERSE.

9. Adjust the input rotation to 800 ± 30 rpm with the transmission in the FORWARD 1 position.

10. Energize the lockup clutch solenoid.

11. Adjust the input rotation to 1850 ± 30 rpm.

12. Record the clutch pressure in Table 18.

13. Record pump pressure in Table 18.

14. Adjust the input rotation to 700 ± 30 rpm.

15. Shift the transmission through positions FORWARD 2, FORWARD 3, FORWARD 4, FORWARD 5, and FORWARD 6. Repeat Steps 11 through 14 for each gear range.

16. Verify all test points with the values in Table 17.

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 19.

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.:_______

Solenoid Test

Table 6

Solenoid Test	Solenoid 1	Solenoid 2	Solenoid 3
	_______ ohms	_______ ohms	_______ ohms

Initial Pressure Check

Table 7

Initial Clutch Pressures
Input Flow 65 ± 4 L/min (17 ± 1 US gpm) Input Pressure 2517 ± 41 kPa (365 ± 6 psi)						Input Speed (800 ± 30 rpm)
Gear	Active Clutches		Clutch 1 (1)	Clutch 2 (1)	Clutch 3 (1)	Clutch 4 (1)	Clutch 5 (1)	Clutch 6 (1)
R	1	6	586 kPa (85 psi)					490 kPa (71 psi)
N1		3			552 0 kPa (80 psi)
N2	1		586 kPa (85 psi)
1	1	5	586 kPa (85 psi)				483 kPa (70 psi)
2	2	5		552 0 kPa (80 psi)			483 kPa (70 psi)
3	1	4	586 kPa (85 psi)			503 kPa (73 psi)
4	2	4		552 0 kPa (80 psi)		503 kPa (73 psi)
5	1	3	586 kPa (85 psi)		552 0 kPa (80 psi)
6	2	3		552 0 kPa (80 psi)	552 0 kPa (80 psi)

( 1 )

The tolerance is + 48 − 34kPa (+ 7 − 5psi).

Table 8

Initial Clutch Pressures
Input Flow 65 ± 4 L/min (17 ± 1 US gpm)						Input Speed (800 ± 30 rpm)
Gear	Active Clutches		Clutch 1 (1)	Clutch 2 (1)	Clutch 3 (1)	Clutch 4 (1)	Clutch 5 (1)	Clutch 6 (1)
R	1	6	________					________
N1		3			________
N2	1		________
1	1	5	________				________
2	2	5		________			________
3	1	4	________			________
4	2	4		________		________
5	1	3	________		________
6	2	3		________	________

( 1 )

The tolerance is + 48− 34kPa (+ 7− 5 psi).

Priority Reducing Valve Check

Table 9

Priority Reducing Valve

Input Speed (800 ± 30 rpm) Input Flow 65 ± 4 L/min (17 ± 1 US gpm)

_______kPa _______(psi)

Neutralizer Valve Check

Table 10

Neutralizer Valve (Step 1)			Input Speed (800 ± 30 rpm) Input Flow 65 ± 4 L/min (17 ± 1 US gpm)
Clutch 1	Clutch 2	Clutch 3	Clutch 4	Clutch 5	Clutch 6
_______kPa _______(psi)	_______kPa _______(psi)	_______kPa _______(psi)	_______kPa _______(psi)	_______kPa _______(psi)	_______kPa _______(psi)

Table 11

Neutralizer Valve (Step 2)		Gear Range NEUTRAL 1
Clutch 3	_______kPa _______(psi)	The clutch pressure must rise to normal pressure.		Yes	No

Lubrication Pressure Check

Table 12

Low Idle Lubrication Pressures		Input Speed (800 ± 30 rpm) Input Flow 65 ± 4 L/min (17 ± 1 US gpm)
Gear	Lubrication Pressure	Lubrication Flow
R	_______kPa _______(psi)	_______L/min _______(US gpm)
1	_______kPa _______(psi)	_______L/min _______(US gpm)

Table 13

High Idle Lubrication Pressures		Input Speed (1850 ± 30 rpm) Input Flow 148 ± 4 L/min (39 ± 1 US gpm)
Gear	Lubrication Pressure	Average Lubrication Pressure of Arrangement
R	_______kPa _______(psi)	_______L/min _______(US gpm)
N1	_______kPa _______(psi)	_______L/min _______(US gpm)
N2	_______kPa _______(psi)	_______L/min _______(US gpm)
1	_______kPa _______(psi)	_______L/min _______(US gpm)
2	_______kPa _______(psi)	_______L/min _______(US gpm)
3	_______kPa _______(psi)	_______L/min _______(US gpm)
4	_______kPa _______(psi)	_______L/min _______(US gpm)
5	_______kPa _______(psi)	_______L/min _______(US gpm)
6	_______kPa _______(psi)	_______L/min _______(US gpm)

Lube Circuit Check

Table 14

Low Idle Lubrication Pressures		Input Speed (1850 ± 30 rpm) Input Flow 189 ± 4 L/min (50.0 ± 1.0 US gpm)
Gear	Lubrication Pressure	Lubrication Flow
2	_______kPa _______(psi)	_______kPa _______(psi)

Low Idle Clutch Pressure Checks

Table 15

Low Idle Clutch Pressures (Lockup Clutch De-energized)
Input Flow 57 ± 4 L/min (15 ± 1 US gpm) Input Pressure 2516.6 ± 172 kPa (365 ± 25 psi)						Input Rotation (700 ± 30 rpm)
Gear	Active Clutches		Clutch 1 (1)	Clutch 2 (1)	Clutch 3 (1)	Clutch 4 (1)	Clutch 5 (1)	Clutch 6 (1)
R	1	6	2344 kPa (340 psi)					2482 kPa (360 psi)
N1	3				2399 kPa (348 psi)
N2	1		2344 kPa (340 psi)
1	1	5	2344 kPa (340 psi)				2482 kPa (360 psi)

( 1 )

The tolerance is + 240 − 100 kPa (+ 35 − 15 psi).

Table 16

Low Idle Clutch Pressures
Input Flow 65 ± 4 L/min (17 ± 1 US gpm)				2516.6 ± 172 kPa (365 ± 25 psi)		Input Rotation (800 ± 30 rpm)
Gear	Active Clutches		Clutch 1	Clutch 2	Clutch 3	Clutch 4	Clutch 5	Clutch 6
R	1	6	________					________
N1	3				________
N2	1		________
1	1	5	________				________

High Idle Clutch Pressure Checks

Table 17

High Idle Clutch Pressures
Input Flow 148 ± 4 L/min (39 ± 1 US gpm) Input Pressure 2979 ± 193 kPa (432 ± 28 psi)						Input Rotation (1850 ± 30 rpm)
Gear	Active Clutches		Clutch 1 (1)	Clutch 2 (1)	Clutch 3 (1)	Clutch 4 (1)	Clutch 5 (1)	Clutch 6 (1)
Lockup clutch solenoid de-energized
R	1	6	2344 kPa (340 psi)					2861 kPa (415 psi)
N1		3			2399 kPa (348 psi)
N2	1		2344 kPa (340 psi)
1	1	5	2344 kPa (340 psi)				2792 kPa (405 psi)
Lockup clutch solenoid energized
Pump Pressure 2137 ± 152 kPa (310 ± 22 psi)
2	2	5		2068 kPa (300 psi)			2068 kPa (300 psi)
3	1	4	2068 kPa (300 psi)			2068 kPa (300 psi)
4	2	4		2068 kPa (300 psi)		2068 kPa (300 psi)
5	1	3	2068 kPa (300 psi)		2068 kPa (300 psi)
6	2	3		2068 kPa (300 psi)	2068 kPa (300 psi)

( 1 )

The tolerance is + 240 − 100 kPa (+ 35 − 15 psi).

Table 18

High Idle Clutch Pressures
Input Flow 148 ± 4 L/min (39 ± 1 US gpm) Input Pressure 2978.5 ± 193 kPa (432 ± 28 psi)						Input Rotation (1850 ± 30 rpm)
Gear	Active Clutches		Clutch 1	Clutch 2	Clutch 3	Clutch 4	Clutch 5	Clutch 6
Lockup clutch solenoid de-energized
R	1	6	________					________
N1		3			________
N2	1		________
1	1	5	________				________
Lockup clutch solenoid energized
2	2	5		________			________
3	1	4	________			________
4	2	4		________		________
5	1	3	________		________
6	2	3		________	________

Contamination Control

Table 19

Contamination Control

Sample the test bench oil supply.

________/________Particle Count

Table 20

______________________________________ Technician

______________________________________ Supervisor