PISTON COOLING JETS REPLACEMENT
THIS WORK PACKAGE COVERS
MOS 62B, Construction Equipment Repairer
Tools and Special Tools
Tool kit, general mechanic's, automotive (Item 90,
Shop equipment, automotive maintenance and
repair: field maintenance, basic, less power (Item
Wrench, torque, click, ratcheting, 3/8" drive, 75 lb-
TM 5-3805-291-23P, Figure 14
Estimated Time to Complete Task
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.
Remove six bolts (1) and washers (2) from piston
cooling jets (3).
Remove six piston cooling jets (3) from piston caps