TM 5-3810-305-23
FIELD MAINTENANCE
LUBE OIL PUMP MAINTENANCE
INITIAL SETUP:
References
Tools and Special Tools
Tool Kit, General Mechanic's (WP 0171, Table 1,
Item 17)
Indicator, Dial (WP 0171, Table 1, Item 6)
Equipment Condition
Wrench, Torque, Click, Ratcheting 3/8 Inch Drive,
Boom in horizontal position and fully retracted (TM
75 ft-lb (WP 0171, Table 1, Item 36)
5-3810-305-10)
Front gear cover removed (WP 0032)
Materials/Parts
Fuel, Diesel Run-In Mobil 4Y17 (WP 0170, Table
1, Item 19) Qty: 1
Rag, Wiping (WP 0170, Table 1, Item 52) Qty: 1
REMOVAL
NOTE
Before removing lube oil pump, check backlash of lube oil pump gears.
Hold adjoining gear to keep from moving, when checking backlash.
Lube oil pump gear and idler gear backlash limit is 0.003 to 0.013 inch (0.08 to 0.33 mm).
1.
Using dial indicator on tooth of lube oil pump gear (Figure 1, Item 2), check for excessive backlash.
2.
Using dial indicator on tooth of idler gear (Figure 1, Item 1), check for excessive backlash.
1
2
M0051105
Figure 1.
Lube Oil Pump Removal.
03/15/2011Rel(1.8)root(maintwp)wpno(M00043)
