TM 5-2420-230-24-2
Section 0 - Engine Disassembly and Assembly - Group 00
Lube Pump - Removal (0-55)
B Series Shop Manual
Page 0-33
Note the lube pump gear backlash. Mark the lube pump
gear and idler gear for additional analysis if the limits are
exceeded.
Lube Pump Gear Backlash Limits (A)
mm
in
0.076
MIN
0.003
0.330
MAX
0.013
NOTE: Prevent movement of the adjoining gear when check-
ing backlash or the reading will be the total of both gears.
Position the indicator on a tooth of the lube pump idler
gear.
Note the idler gear backlash. Mark the idler gear and
crankshaft gear for additional analysis if the limits are
exceeded.
Lube Pump Idler Gear Backlash Limit (A)
mm
in
0.076
MIN
0.003
0.330
MAX
0.013
NOTE: Prevent movement of the adjoining gear when check-
ing backlash or the reading will be the total of both gears.
13 mm
Remove the lube pump.
NOTE: Refer to Component Section 7 for inspection.
L-122