CP56, CP64, CP74, CS56, CS64 and CS74 Paving Compactors Machine Systems Axle Housing (Parking Brake, Differential and Bevel Gear) - Assemble Caterpillar


Axle Housing (Parking Brake, Differential and Bevel Gear) - Assemble
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1.1. Assembly Procedure

Assembly Procedure

Table 1
Required Tools    
Tool     Part Number     Part Description     Qty    
A     202-7965     Spanner Socket     1    
C     1P-1859     Retaining Ring Pliers     1    
D     263-2152     Spline Wrench     1    
E     263-2153     Spanner Wrench     1    
G     1P-0520     Driver Gp     1    
H     263-2154     False Pinion     1    
J     235-2792     False Differential     1    
K     6V-2012     Depth Micrometer     1    
L     8T-5096     Dial Indicator Gp     1    
M     -     Loctite 270     1    
N     -     Loctite 518     1    
P     8T-5096     Dial Indicator Gp     1    
R     441-3596     Pinion Nut Tool Assembly     1    



    Illustration 1g01408949

  1. Use Tooling (G) and install bearing cups (43) into the center housing.



    Illustration 2g01075948

  1. Install bearing cones (41) and (42) . Install Tooling (H) .



    Illustration 3g01075951

  1. Align the location marks that were made during the removal procedure. Position brake cylinder (1) and temporarily install bolts (2) . Repeat for the other side.



    Illustration 4g01075953

  1. Install Tooling (J) into the center housing. Make sure that Tooling (J) is inserted into both brake cylinders.



    Illustration 5g01075955



    Illustration 6g01075956

  1. Use Tooling (K) in order to measure Distance (A) . Distance (B) equals 130 mm (5.118 inch). Distance (C) equals 50 mm (1.969 inch). Use the following formula in order to calculate Measurement (X) : A mm + C mm - B mm = X mm. Record Measurement (X) .



    Illustration 7g01075959

  1. Measurement (V) is stamped on the head of pinion shaft (38) . Use the following formula in order to calculate Measurement (S) : X mm - V mm = S mm.

  1. Among the available list of shims, choose the shim with the thickness of Measurement (S) .



    Illustration 8g01075961

  1. Remove Tooling (J) . Remove bolts (2) and brake cylinders (1) . Remove the nut , the washer, and the spacer from Tooling (H) . Remove Tooling (H) . Remove bearing cones (41) and (42) .



    Illustration 9g01076033

  1. Install the suitable shim onto pinion shaft (38) . Install the shim with the chamfer against the gear. Raise the temperature of bearing cone (42) and install bearing cone (42) onto pinion shaft (38) .



    Illustration 10g01076037

  1. Install washers (39) and collapsible spacer (40) onto pinion shaft (38) .



    Illustration 11g01076039

  1. Install pinion shaft (38) into the center housing. Raise the temperature of bearing cone (41) and install bearing cone (41) onto pinion shaft (38) .



    Illustration 12g01074255

  1. Install spacer (37) , washer (36) , and locknut (35) . Use Tooling (D) and Tooling (E) in order to tighten locknut (35) .

  1. Use Tooling (D) and (E) with a dial type torque wrench in order to set the rotating torque. Tighten nut (35) in order to achieve a rotating torque of 4.0 to 4.4 N·m (36.0 to 39.0 lb in).



    Illustration 13g01076414

  1. Use a suitable hammer and a punch and stake nut (35) .



    Illustration 14g01074252

    Note: Retaining ring (33) and spacer (34) are only on machines that equipped with a speedometer.

  1. Install spacer (34) . Use Tooling (C) and install retaining ring (33) .



    Illustration 15g01074218

  1. If bushing (32) was removed during the disassembly, install bushing (32) .



    Illustration 16g01074217

  1. If bushing (31) was removed during the disassembly, install bushing (31) .



    Illustration 17g01074168

  1. Install plates (30) and disc (29) . Install side gear (28) .



    Illustration 18g01074165

  1. Install thrust washers (26) and gears (27) . Install shaft (25) . Install locking pin (24) .



    Illustration 19g01074163

  1. Install side gear (23) . Install discs (22) and plates (21) . Install cover (20) .



    Illustration 20g01076415

  1. Raise the temperature of bearing cones (16) and (17) . install bearing cones (16) and (17) .



    Illustration 21g01074116

  1. Install bevel gear (19) onto the differential. Apply Tooling (M) to the threads of bolts (18) . Install bolts (18) and tighten bolts (18) to a torque of 180 N·m (133 lb ft).



    Illustration 22g01076707

  1. Install sleeves (3) into the central housing.

    Note: If the axle is equipped with brakes, use Steps 24 through 28.




    Illustration 23g01076712

  1. Position brake cylinders (1) on a flat surface. Use Tooling (G) and install bearing cups (15) .



    Illustration 24g01076744

  1. Use Tooling (A) and install spanner nut (14) .



    Illustration 25g01074096

    Note: Check the O-ring seals for wear or for damage. If necessary, replace the O-ring seals.

  1. Install O-rings (9) and (11) onto actuation pins (10) . Install actuation pins (10) into piston (5) . Install plugs (8) . Apply a light coat of grease onto O-ring seals (9) and (11) .



    Illustration 26g01076777

    Note: Check the O-ring seals for wear or for damage. If necessary, replace the O-ring seals.

  1. Apply a light coat of grease onto O-ring seals (6) and (7) . Install O-ring seals (6) and (7) . Install piston (5) into brake cylinder (1) . Install bevel washers (4) .



    Illustration 27g01076750

  1. Apply Tooling (N) to the mating surfaces of the center housing and the right brake cylinder (1) . Align the location marks that were made during the removal procedure. Position brake cylinder (1) onto the center housing and install bolts (2) . Tighten bolts (2) to a torque of 79 N·m (58 lb ft).



    Illustration 28g01076754

  1. Install the differential into the left side of the center housing.



    Illustration 29g01074031

  1. Apply Tooling (N) to the mating surfaces of the center housing and the left brake cylinder (1) . Align the location marks that were made during the removal procedure. Position brake cylinder (1) onto the center housing and install bolts (2) . Tighten bolts (2) to a torque of 79 N·m (58 lb ft).

  1. Oscillate the pinion shaft and use Tooling (A) to advance the spanner nuts until there is slight backlash with no end play.

  1. Install a dial type torque wrench onto the pinion shaft. Measure the total rotating torque. Use the following formula in order to calculate the total rotating torque (TRT): P equals the rotating torque that was measured in Step 13. TRT = P + 4.43 N·m (39.0 lb in) to P + 4.98 N·m (44.0 lb in).

  1. If, the total rotating torque (TRT) is less than the specified amount tighten both spanner nuts equally. If the total rotating torque (TRT) is greater than the specified amount, loosen both spanner nuts equally. Be sure to maintain slight backlash.



    Illustration 30g03386391

  1. Mount Tooling (P) onto the center housing with Tooling (R) , as shown. Measure the backlash between the pinion and the bevel gear. The proper backlash setting is 0.180 to 0.230 mm (0.0071 to 0.0091 inch).



    Illustration 31g01029595

  1. If the backlash is not within the specification, retract one spanner nut and advance the opposite spanner nut equally. If the backlash is less than the specified amount, move the bevel gear in Direction (A) . If the backlash is greater than the specified amount, move the bevel gear in Direction (B) .



    Illustration 32g01076798

  1. Install retainer (13) and bolt (12) into both brake cylinders (1) . Tighten bolts (12) to a torque of 13 N·m (10 lb ft).

End By: Install the axle housing, the axle shaft, and the wheel flange. Refer to Disassembly and Assembly, "Axle Housing, Axle Shaft, and Wheel Flange - Install".

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