2
TM 5-3805-291-23-2
PISTON COOLING JETS REPLACEMENT
THIS WORK PACKAGE COVERS
Removal, Installation
INITIAL SETUP
Maintenance Level
Personnel Required
Direct Support
MOS 62B, Construction Equipment Repairer
Tools and Special Tools
References
Tool kit, general mechanic's, automotive (Item 90,
TM 5-3805-291-10
Equipment Conditions
Shop equipment, automotive maintenance and
repair: field maintenance, basic, less power (Item
Oil pan removed (WP 0181 00)
68, WP 0232 00)
Drawings Required
Wrench, torque, click, ratcheting, 3/8" drive, 75 lb-
TM 5-3805-291-23P, Figure 14
ft (Item 98, WP 0232 00)
Estimated Time to Complete Task
Materials/Parts
Rag, wiping (Item 35, WP 0233 00)
16.5 hr
REMOVAL
C AU T I O N
Special care must be taken not to bend piston cooling jets. Piston cooling jets are precision aligned with
coolant passage in pistons. Bent condition could result in engine damage.
N OT E
There is only one position for each cooling jet. Notch in bottom of piston allows clearance for piston cooling
jet when piston is at bottom dead center.
1.
Remove six bolts (1) and washers (2) from piston
cooling jets (3).
2.
Remove six piston cooling jets (3) from piston caps
(4).
427-C1026
