Supplemental Parts and Service Information for the UAE 972H{7000} Caterpillar

Wheel Loader:

972H (S/N: WLA1-9)

Introduction

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This Special Instruction contains supplemental information for the 972H Wheel Loader for the UAE. The machine configuration is noted in the following chart. This special instruction is a supplement to the parts and service manuals for your machine.

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(1) 4E-2240 Bearing Nut (2) 5H-3701 Purge Screw (3) 5P-4484 Magnetic Plug (4) 8R-0512 Oil Level Gauge As (5) 8T-0336 Pressure Relief Fitting (6) 9G-5317 Duo-Cone Seal Gp (7) 127-8910 Axle Shaft (8) 130-5869 Pinion Housing (9) 130-8707 Shim Pack (10) 133-4292 Lip Type Seal (11) 156-4773 Retainer (12) 190-5973 Housing As (13) 251-4525 Axle Shaft Housing (14) 251-6480 Tapered Roller Bearing As (15) 251-6481 Tapered Roller Bearing As (16) 3B-0551 Pipe Plug (17) 4K-6804 O-Ring Seal (18) 5H-5012 Retaining Ring (19) 5P-8247 Hard Washer (20) 6V-5686 Bolt (21) 6V-7732 Bolt (22) 7M-8485 O-Ring Seal (23) 8T-0207 Bolt (24) 9C-6041 Dowel (25) 9S-9334 O-Ring Plug (26) 9X-2027 Washer (27) 9X-2075 Bolt (28) 8C-8422 Sealant

Specifications

195-7888 Transmission Planetary

Illustration 3	g01537341

(1) Number 1 Clutch

Thickness of five new discs and five new plates for the Number 1 clutch ... 42.36 ± 0.64 mm (1.668 ± .025 inch)

Thickness of one new 9P-7390 Friction Disc Assembly ... 5.59 ± 0.08 mm (.220 ± .003 inch)

Thickness of one new 115-5571 Plate ... 5.00 ± 0.08 mm (.197 ± .003 inch)

(2) Number 2 Clutch

Thickness of five new discs and five new plates for the Number 2 clutch ... 42.36 ± 0.64 mm (1.668 ± .025 inch)

Thickness of one new 9P-7390 Friction Disc Assembly ... 5.59 ± 0.08 mm (.220 ± .003 inch)

Thickness of one new 115-5571 Plate ... 5.00 ± 0.08 mm (.197 ± .003 inch)

(3) Number 3 Clutch

Thickness of three new discs and three new plates for the Number 3 clutch ... 31.77 ± 0.54 mm (1.251 ± .021 inch)

Thickness of one new 6Y-5911 Friction Disc ... 5.59 ± 0.10 mm (.220 ± .004 inch)

Thickness of one new 115-5572 Plate ... 5.00 ± 0.08 mm (.197 ± .003 inch)

(4) Number 4 Clutch

Thickness of two new discs and two new plates for the Number 4 clutch ... 21.18 ± 0.36 mm (.834 ± .014 inch)

Thickness of one new 6Y-5911 Friction Disc ... 5.59 ± 0.10 mm (.220 ± .004 inch)

Thickness of one new 115-5572 Plate ... 5.00 ± 0.08 mm (.197 ± .003 inch)

(5) Number 5 Clutch

Thickness of four new discs and three new plates for the Number 5 clutch ... 22.85 ± 0.46 mm (.900 ± .018 inch)

Thickness of one new 6Y-5912 Friction Disc ... 4.95 ± 0.10 mm (.195 ± .004 inch)

Thickness of one new 8P-1964 Plate ... 4.00 ± 0.08 mm (.158 ± .003 inch)

(6) Torque for the four bolts ... 280 ± 20 N·m (207 ± 15 lb ft)

(7) Number 6 Clutch

Thickness of three new discs and three new plates for the Number 6 clutch ... 31.77 ± 0.54 mm (1.251 ± .021 inch)

Thickness of one new 6Y-5911 Friction Disc ... 5.59 ± 0.10 mm (.220 ± .004 inch)

Thickness of one new 115-5572 Plate ... 5.00 ± 0.08 mm (.197 ± .003 inch)

(8) Torque for the two bolts ... 110 ± 10 N·m (80 ± 7 lb ft)

(9) Inside diameter of a new planetary gear for the Number 6 clutch ... 34.399 ± 0.008 mm (1.3543 ± .0003 inch)

(10) Diameter of a new planetary shaft for the Number 6 clutch ... 26.439 ± 0.005 mm (1.0409 ± .0002 inch)

(11) Immediately prior to the installation of the bearing, lubricate the groove and lubricate the seal with a minimal amount of the lubricant that is being sealed.

(12) Inside diameter of a new planetary gear for the Number 1 clutch ... 47.653 ± 0.008 mm (1.8761 ± .0003 inch)

(13) Diameter of a new planetary shaft for the Number 1 clutch ... 38.095 ± 0.005 mm (1.4998 ± .0002 inch)

(14) 116-8230 Rod

Quantity ... 5

Length ... 355 ± 1 mm (14 ± .04 inch)

Outside diameter ... 6.08 mm (.239 inch)

(15) 5L-1941 Spring for the Number 1 clutch and the Number 2 clutch

Quantity ... 5

Length under test force ... 103.1 mm (4.06 inch)

Test force ... 411 N (92.4 lb)

Free length after test ... 136.7 mm (5.38 inch)

Outside diameter ... 15.04 mm (.592 inch)

(16) Immediately prior to the installation of the bearing, lubricate the groove and lubricate the seal with a minimal amount of the lubricant that is being sealed.

(17) Diameter of a new planetary shaft for the Number 2 clutch and the Number 3 clutch ... 35.255 ± 0.006 mm (1.3880 ± .0002 inch)

(18) Inside diameter of a new planetary gear for the Number 2 clutch and the Number 3 clutch ... 43.221 ± 0.008 mm (1.7016 ± .0003 inch)

(19) (23) (25) 2S-1382 Spring for the Number 3 clutch, the Number 4 clutch, and the Number 6 clutch

Quantity ... 15

Length under test force ... 44.2 mm (1.74 inch)

Test force ... 103 ± 8 N (23.1 ± 1.8 lb)

Free length after test ... 50.0 mm (1.97 inch)

Outside diameter ... 15.09 mm (.594 inch)

(20) Immediately prior to the installation of the bearing, lubricate the groove and lubricate the seal with a minimal amount of the lubricant that is being sealed.

(21) Inside diameter of a new planetary gear for the Number 4 clutch and the Number 5 clutch ... 34.399 ± 0.008 mm (1.3543 ± .0003 inch)

(22) Diameter of a new planetary shaft for the Number 4 clutch and the Number 5 clutch ... 26.439 ± 0.005 mm (1.0409 ± .0002 inch)

(24) Immediately prior to the installation of the bearing, lubricate the groove and lubricate the seal with a minimal amount of the lubricant that is being sealed.

(26) Torque for the five bolts ... 110 ± 10 N·m (80 ± 7 lb ft)

180-8633 Brake and Planetary

Illustration 4	g00429499

Illustration 5	g01537336
Section A-A for 180-8633 Brake and Planetary Gp

Specifications for the 180-8633 Brake and Planetary Gp

(1) Thickness of a new 151-6399 Friction Disc ... 4.90 ± 0.13 mm (0.193 ± 0.005 inch)

(2) Thickness of a new 141-2369 Reaction Plate ... 6.00 ± 0.13 mm (0.236 ± 0.005 inch)

(3) Planetary Gear and Sleeve Bearing

Inside diameter of planetary gear ... 92.267 ± 0.010 mm (3.6326 ± .0004 inch)

Outside diameter of sleeve bearing ... 92.112 ± 0.013 mm (3.6264 ± .0005 inch)

(4) Planetary Shaft and Sleeve Bearing

Diameter of planetary shaft ... 70.029 ± 0.010 mm (2.7570 ± .0004 inch)

Inside diameter of sleeve bearing ... 70.090 ± 0.039 mm (2.7594 ± .0015 inch)

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Section B-B

(5) 163-8781 Springs (two)

Length under test force ... 48.9 mm (1.93 inch)

Test force ... 650 ± 33 N (145 ± 7 lb)

Free length after test ... 64.02 mm (2.521 inch)

Outside diameter ... 25.05 mm (.986 inch)

Illustration 7	g01537340
Detail C

(6) Apply 4C-9507 Retaining Compound to the outside diameter of the dowel only prior to installation. Make sure that the dowel is against the bottom of the dowel hole.

(7) 163-8781 Spring

Length under test force ... 48.9 mm (1.93 inch)

Test force ... 650 ± 33 N (145 ± 7 lb)

Free length after test ... 64.02 mm (2.521 inch)

Outside diameter ... 25.05 mm (.986 inch)

(8) Apply 4C-9507 Retaining Compound to the outside diameter of the dowel only prior to installation. Make sure that the dowel is against the bottom of the dowel hole.

(9) Torque for the one bolt ... 0.45 ± 0.05 N·m (4 ± .4 lb in)

(10) Lubricate the seal heavily with the lubricant that is being sealed.

(11) Lubricate the entire length of the pin heavily with the lubricant that is being sealed.

Illustration 8	g01537342
Section D-D

(12) (13) Make sure that the openings for the spring pins are aligned 180 degrees from each other. The openings for the spring pins must be flush with the top of carrier.

(14) To ensure retention of the spring pins, deform the spring pin holes slightly with a chisel.

319-7258 Fixed Axle Housing

Illustration 9	g01537334

(2) Torque for the gauge assembly ... 45 ± 6 N·m (33 ± 4 lb ft)

(3) Torque for the two air purge screws ... 11 ± 4 N·m (8 ± 3 lb ft)

(4) Torque for the pressure relief fitting ... 13 ± 4 N·m (10 ± 3 lb ft)

(5) Torque for the plug ... 45 ± 6 N·m (33 ± 4 lb ft)

(6) At assembly, rubber toric seals must be clean and dry and all surfaces that contact rubber toric seals must be clean and dry. Immediately before installation, apply a thin layer of oil on the surfaces of the metal seals that contact the rubber toric seals. The seal must be assembled square with the bore. Rubber toric seals must not have bulged and these seals must also not have twisted.

(7) Torque for the twenty-four bolts (each side) ... 300 ± 40 N·m (220 ± 30 lb ft)

(8) Torque for the ten bolts ... 300 ± 40 N·m (220 ± 30 lb ft)

(9) Apply 1U-8846 Liquid Gasket to the contacting surfaces prior to assembly.

Illustration 10	g01195758
Left Side View

(10) Torque for the two plugs ... 90 ± 15 N·m (65 ± 10 lb ft)

Illustration 11	g01537338
Section A-A and Detail B

(11) Apply 1U-8846 Liquid Gasket to the contacting surfaces prior to assembly.

(12) Torque for the six bolts ... 55 ± 10 N·m (40 ± 7 lb ft)

180-8635 Oscillating Axle Housing

Illustration 12	g01537333

(1) Torque for the six bolts ... 300 ± 40 N·m (220 ± 30 lb ft)

(2) Torque for the twelve bolts ... 300 ± 40 N·m (220 ± 30 lb ft)

(3) Torque for the twelve bolts ... 300 ± 40 N·m (220 ± 30 lb ft)

(4) Apply 1U-8846 Liquid Gasket to the contacting surfaces prior to assembly.

(5) Torque for the six bolts ... 55 ± 10 N·m (40 ± 7 lb ft)

Illustration 13	g01537343

(6) Torque for the two air purge screws ... 11 ± 4 N·m (8 ± 3 lb ft)

(7) Torque for the pressure relief fitting ... 13 ± 4 N·m (10 ± 3 lb ft)

Illustration 14	g01537346
View A-A

(8) Torque for the gauge assembly ... 45 ± 6 N·m (33 ± 4 lb ft)

(9) Torque for the twenty-four bolts ... 300 ± 40 N·m (220 ± 30 lb ft)

(10) (11) Apply 1U-8846 Liquid Gasket to the contacting surfaces prior to assembly.

(12) Torque for the twenty-four bolts ... 300 ± 40 N·m (220 ± 30 lb ft)

(13) For additional information on the axle housing and bearings, refer to the Service Manual module for Testing and Adjusting, RENR8846, "966H Wheel Loader and 972G Wheel Loader Power Train", "Axle Housing and Bearing Preload - Adjust".

(14) Apply 1U-8846 Liquid Gasket to the contacting surfaces prior to assembly.

(15) Torque for the four bolts ... 570 ± 80 N·m (420 ± 60 lb ft)

(16) Apply 1U-8846 Liquid Gasket to the contacting surfaces prior to assembly.

(17) Torque for the plug ... 45 ± 6 N·m (33 ± 4 lb ft)

(18) At assembly, rubber toric seals must be clean and dry and all surfaces that contact rubber toric seals must be clean and dry. Immediately before installation, apply a thin layer of oil on the surfaces of the metal seals that contact the rubber toric seals. The seal must be assembled square with the bore. Rubber toric seals must not have bulged and these seals must also not have twisted.

Illustration 15	g01537345
Detail B

(19) Outside diameter of the trunnion ... 126.80 ± 0.08 mm (4.992 ± .003 inch)

(20) Sleeve Bearing for 139-9106 Oscillating Axle Housing

Inside diameter of the sleeve bearing ... 127.50 mm (5.020 inch)

Outside diameter of the sleeve bearing ... 140.20 ± 0.08 mm (5.520 ± .003 inch)

(20) Sleeve Bearing for 129-4293 Oscillating Axle Housing

Inside diameter of the sleeve bearing ... 127.5 mm (5.020 inch)

Outside diameter of the sleeve bearing ... 140.2 ± 0.08 mm (5.520 ± .003 inch)

(21) Inside diameter of the trunnion support ... 139.75 ± 0.05 mm (5.502 ± .002 inch)

Illustration 16	g01537344
Detail C

(22) Outside diameter of the pinion housing ... 220.00 ± 0.08 mm (8.661 ± .003 inch)

(23) Sleeve Bearing for 139-9106 Oscillating Axle Housing

Inside diameter of the sleeve bearing ... 220.72 mm (8.690 inch)

Outside diameter of the sleeve bearing ... 235.98 ± 0.08 mm (9.290 ± .003 inch)

(23) Sleeve Bearing for 129-4293 Oscillating Axle Housing

Inside diameter of the sleeve bearing ... 220.72 mm (8.690 inch)

Outside diameter of the sleeve bearing ... 235.98 ± 0.08 mm (9.290 ± .003 inch)

(24) Inside diameter of the trunnion support ... 235.50 ± 0.05 mm (9.272 ± .002 inch)

Mounting and Dismounting Tires

Show/hide table

Improper assembly procedures and disassembly procedures for a wheel assembly that is fitted with a Variable Function Insert (VFI) could cause the wheel to come apart during inflation or operation. Failure to understand and adhere to the proper procedures could result in personal injury or death. The following service procedures are to be read and understood before you attempt to disassemble or reassemble a wheel assembly that is fitted with a Variable Function Insert (VFI) on your machine.

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