Service Repair Manual
Models
374D L Excavator
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Product: EXCAVATOR
Model: 374D L EXCAVATOR PJA
Configuration: 374D L Excavator PJA00001-UP (MACHINE) POWERED BY C15 Engine
Disassembly and Assembly
374D Excavator Machine Systems
Media Number -KENR6406-01
Publication Date -01/02/2012
Date Updated -23/02/2012
i02388153
Final Drive - Disassemble
SMCS - 4050-015
Disassembly Procedure
Table 1
Required Tools
Tool Part Number
Part Description
Qty
A
1P-2420
Transmission Repair Stand
1
B
138-7575
Link Bracket
3
C
138-7576
Link Bracket
2
D
132-8119
Hydraulic Wrench
1
132-8223
Hydraulic Pump and Motor Gp
1
9U-7418
(1) Hex Bit Socket
1
E
176-6536
Forcing Bolt
2
( 1 ) Cut the tool to length (X). Length (X) is equal to 14 mm (0.55 inch). Refer to Step 27 for the correct
modification.
Start By:
A. Remove the final drive. Refer to Disassembly and Assembly, "Final Drive - Remove".
1. Thoroughly clean the outside of the final drive prior to disassembly.
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Illustration 1
g00865168
2. Fasten the final drive to Tooling (A). Put an alignment mark across the sections of the final
drive for assembly purposes. All parts must be reinstalled in the original locations. The
weight of the final drive is approximately 817 kg (1800 lb).
Illustration 2
g00865172
3. Remove socket head bolts (1) from the final drive cover.
Illustration 3
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4. Attach Tooling (C) and a suitable lifting device to cover (2). The weight of cover (2) is
approximately 66 kg (145 lb).
5. Remove bolts (3). Use a suitable hammer to break the seal between cover (2) and the ring
gear. Rem