CYLINDER HEAD AS 1430043 - Caterpillar

Table 1
Required Parts List
Item Qty New Part number Description Former Part Number
1 4 8T-4182 Bolt 8T-4195
2 4 198-4777 Hard Washer 8T-4121 New 8T-4182 Bolt (1) and 198-4777 Hard Washer (2) replaces the former 8T-4195 Bolt and 8T-4121 Hard Washer in the 390-8654 Transfer Gears and Case Gp.Improved fasteners are adaptable to machines that are listed in Table 2.
Table 2
Sales Model Adaptable to machines
725C (S/N: LFB1-UP)
(S/N: TFB1-UP)
725C2 (S/N: 2L61-UP)
(S/N: 2T31-UP)
730C (S/N: LFF1-UP)
(S/N: TFF1-UP)
730C2 (S/N: 2L71-UP)
(S/N: 2T41-UP)
730C EJ (S/N: TFH1-UP)
730C2 EJ (S/N: 2L81-UP)
(S/N: 2T51-UP) Rework Procedure
Illustration 1 g06060902
Remove and discard the four 8T-4195 Bolt (B) and 8T-4121 Hard Washer (C).
Illustration 2 g06060901
Remove 148-9306 Retainer As (D) and save the part.
Tap four holes (E) on 338-2593 Case As (F) with M10 X 1.5-6H holes to a depth of 21 mm (0.8 inch) as shown in Illustration 2 . Remove and clean metal shavings and debris from tapped hole.
Reassemble 148-9306 Retainer As (D) that was saved in Step 2.
Illustration 3 g06060899
Install new bolts (1) and washers (2).
Before assembly, apply Loctite 243 to the bolt threads (1). Tighten the bolts (1) to 60 N m (44 lb ft).