CAP 6D3269 - Caterpillar

Rework Procedure for Updating the Accumulator Group Clamps
Note: Rework procedure for S/N:FDB1693-UP.Parts Required
Table 4
Parts Required    
Item     Qty     Part Number     Description    
1     2     474-6698     Bracket As    
2     12     8T-4184     Bolt    
3     24     198-4778     Hard Washer    
4     6     469-9340     Clamp    
5     12     8T-4194     Bolt    
6     3     228-7093     O-Ring Seal    
7     3     238-5084     O-Ring Seal    
8     1     214-7566     O-Ring Seal    
Illustration 13 g03847975
(A) pressure switch Assembly
Discharge the pressure in the accumulators. Refer to Special Instruction, REHS5464, "Accumulator Discharging and Charging Procedures" for the correct accumulator discharge procedure.
Disconnect pressure switch assembly (A) .
Illustration 14 g03848080
(B) O-Ring Tee (C) Stem Assembly (D) Elbow Adapter
Disconnect O-Ring tee (B), stem assembly (C), elbow adapter (D) .Note: The two hose assemblies attached to O-Ring tee (B) may be removed individually. If the hoses are removed individually, an additional O-Ring will be required during reassembly. See Step 12 for details.
Secure O-Ring tee (B), stem assembly (C), elbow adapter (D) out of the way.
Illustration 15 g03848101
(E) Bolt (F) Washer (G) Clamp (H) Accumulator Group (J) Plate Assembly
Remove and discard bolts (E) and washers (F) .
Remove and discard clamps (G) and lift accumulators (H) from the machine.
Illustration 16 g03848109
(1) Bracket (2) Bolt (3) Washer
Secure bracket assembly (1) to the upper and lower plate assemblies using 12 bolts (2) and 12 washers (3) as shown in Illustration 16.
Tighten bolts (2) to a torque of 100 20 N m (73.8 14.8 lb ft).
Illustration 17 g03848106
(4) Clamp (5) Bolt (3) Washer (H) Accumulator Group
Individually reinstall accumulators (H) with stickers and fill fittings facing outwards.
Secure six clamps (4), 12 bolts (5) and 12 washers (3) .
Tighten bolts (5) to a torque value of 100 20 N m (73.8 14.8 lb ft).
Illustration 18 g03848537
(B) O-Ring Tee (C) Stem Assembly (D) Elbow Adapter (6) O-Ring Seal (7) O-Ring Seal
Reinstall O-Ring tee (B) with one new O-Ring seal (6) and one new O-Ring seal (7) .Note: If the two hose assemblies were removed instead of O-Ring tee (B), reassembly will require two O-Ring seals (6) .
Reinstall stem assembly (C) with one new O-Ring seal (6) and one new O-Ring seal (7) .
Reinstall elbow adapter (D) with one new O-Ring seal (6) and one new O-Ring seal (7) .
Illustration 19 g03848541
(A) pressure switch Assembly (8) O-Ring Seal
Reinstall pressure switch assembly (A) with a new O-Ring seal (8) .
Charge the pressure in the accumulators. Refer to Testing and Adjusting, RENR8336, "Steering Accumulator - Test and Charge" for the correct accumulator charge and test procedure.