LUBE OIL PUMP MAINTENANCE
Tools and Special Tools
Tool Kit, General Mechanic's (WP 0171, Table 1,
Wrench, Torque, Click, Ratcheting 3/8 Inch Drive,
Boom in horizontal position and fully retracted (TM
Fuel, Diesel Run-In Mobil 4Y17 (WP 0170, Table
1, Item 19) Qty: 1
Rag, Wiping (WP 0170, Table 1, Item 52) Qty: 1
· 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).
Using dial indicator on tooth of lube oil pump gear (Figure 1, Item 2), check for excessive backlash.
Using dial indicator on tooth of idler gear (Figure 1, Item 1), check for excessive backlash.
Lube Oil Pump Removal.