SHAFT ASSEM. 3D4539 - Caterpillar

Connect the hydraulic pressure sensor switch (A) to tank wiring group (B) as shown in Illustration 5.
Illustration 6 g06195445
Connect the existing hoses, harness and tubes that were disconnected in Step 1 as shown in Illustration 6.Rework Procedure for Replacing Oil Filter Group on 988K Wheel Loaders
Table 3
Parts Required
Item Qty Part
1 1 7K-1181 Cable Strap
2 1 427-1220 Bracket
3 1 132-5789 Clip
4 2 2S-4078 O-Ring Seals
5 2 7X-2470 Adapters
6 1 416-8308 Oil Filter Gp
Illustration 7 g06196033
(A) 2 Slots of length 14 mm (0.5 inch), width 16.6 mm (0.65 inch) and arc length 11.4 mm (0.44 inch)
(B) 21.3 1.5 mm (0.83 0.05 inch)
(C) 21.3 1.5 mm (0.83 0.05 inch)
(D) 20.0 1.5 mm (0.78 0.05 inch)
(E) 160 mm (6.2 inch)
(G) 4 holes of diameter 11 mm (0.4 inch)
Modify the 427-1220 Bracket as per dimension (A), dimension (B), dimension (C), dimension (D), dimension (E) and dimension (G) given in Illustration 7.
Disconnect the existing hoses, harness and tubes from the former filter before replacing the filter.
Illustration 8 g06196295
(J) Tank wiring group
(K) Hydraulic pressure sensor switch
(1) 7K-1181 Cable Strap
(2) 427-1220 Bracket
(3) 132-5789 Clip
(4) 2S-4078 O-Ring Seal
(5) 7X-2470 Adapter
(6) 416-8308 Oil Filter Gp
Illustration 9 g06196300
(K) Hydraulic pressure sensor switch
(1) 7K-1181 Cable Strap
(2) 427-1220 Bracket
(3) 132-5789 Clip
(4) 2S-4078 O-Ring Seal
(5) 7X-2470 Adapter
(6) 416-8308 Oil Filter Gp
Replace the former 115-2129 Oil Filter Gp with improved oil filter group (6) and secure it to bracket (2) as shown in Illustration 8 and Illustration 9.
Install two adapters (5) with two O-ring seals (4) on both sides of oil filter group (6) as shown in Illustration 8.
Install the clip (3) and cable strap (1) arrangement to the bracket as shown in Illustration 8 and Illustration 9.
Route the hydraulic pressure sensor switch (K) through clip (3) and cable strap (1) arrangement as shown in Illustration 8 and Illustration 9.
Illustration 10 g06196302
(2) 427-1220 Bracket
(4) 2S-4078 O-Ring Seal
(5) 7X-2470 Adapter
Illustration 11 g06196304
(J) Tank wiring group
(K) Hydraulic pressure sensor switch
(1) 7K-1181 Cable Strap
(2) 427-1220 Bracket
(3) 132-5789 Clip
(4) 2S-4078 O-Ring Seal
(5) 7X-2470 Adapter
(6) 416-8308 Oil Filter Gp
Connect the existing hoses, harness and tubes to the oil filter group which were removed in Step 2 as shown in Illustration 10 and Illustration 11.Note: The new improved filter group is also adoptable to machines equipped with ecosafe hydraulic oil or arctic oil.