ROD AS-PISTON 4234781 - Caterpillar

Illustration 7 g06021258
View of Left-Hand side of machine
Loosen clamp (E) and remove extension pipe (P).
Illustration 8 g06021210
Top view of engine enclosure
Remove clamp (E), bolts (G), and washers (H).
Illustration 9 g06021218
Top view of engine enclosure
Remove precleaner bracket (J), bolts (K), and washers (L).Installation Procedure
Table 2
Required Parts
Item Qty Part Number Description
1 1 352-6041 Plug(1)
2 1 480-6722 Cover
3 2 8T-3490 Weld Nut
4 2 8T-4137 Bolt
5 2 7X-7729 Washer
6 1 498-9358 Film
(1) Already installed on machines with 324-5355 Precleaner Gp and 356-1437 Precleaner Gp.
Illustration 10 g06022304
View of Right-Hand side of machine
Install plug (1) into the exhaust venturi.Note: Plug (1) is already installed on machines with 324-5355 Precleaner Gp and 356-1437 Precleaner Gp.
Illustration 11 g06022329
Top view of engine enclosure
Temporarily install cover (2) with two bolts (K) and two washers (L) to locate two 13.8 mm (0.54 inch) holes (R).
Remove cover (2) once location is marked for holes (R).
Illustration 12 g06022565
Top view of engine enclosure
(R) 13.8 mm (0.54 inch)
(S) 424.9 mm (16.73 inch)
Drill two 13.8 mm (0.54 inch) holes (R).Note: Holes (R) should be 424.9 mm (16.73 inch) (S) from the mounting holes for bolts (K).
Illustration 13 g06022351
View of Left-Hand side of machine
Install two weld nuts (3) into holes (R) in the top of the engine enclosure. Touch up affected area of the engine enclosure with paint to prevent corrosion.
Illustration 14 g06022358
Top view of engine enclosure
Secure cover (2) with two bolts (4) and two washers (5) and two bolts (K) and two washers (L).
Illustration 15 g06022359
View of Left-Hand side of machine
Install film (6) onto cover (2).