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TM 5-4210-220-12
4-17. PUMP DRIVE AND PTO.
4-17.3 Reducer Gear to Pump Drive Shaft Replace.
This task covers
a.
Removal
b.
Installation
TOOLS
MATERIALS/PARTS
Tool Kit, General Mechanic, Automotive,
16, Appendix E Grease
NSN 5810-00-177-7033
20, Appendix E Penetrating Oil
29, Appendix E Threadlock Liquid
EQUIPMENT CONDITION
915173-1 Drive Shaft
Main Engine Shutdown (see para. 2-10)
APU Shutdown (see para. 2-12)
Batteries Disconnected (see para. 4-24)
Pump Body and Hose Body Heat Shield Removed
(see para. 4-11)
WARNING
Serious injury could occur if heavy equipment is moved/lifted without sufficient personnel to
do the job. Use proper physical lifting procedures or use a suitable lifting device or dolly.
Wear safety shoes, gloves and other suitable protective clothing.
CAUTION
Universal joint damage could result if drive shaft is hung by one end. Always support one
end of the drive shaft using mechanics wire, until the other end is also removed.
NOTE
If the drive shaft fasteners are excessively corroded, apply penetrating oil (item 20, Appendix
E) to ease disassembly.
REMOVAL
(1) Remove the four capscrews (1), nuts (2),
and lockwashers (3).
(2) Support the drive shaft using mechanics
wire.
(3) Remove the nuts (6) and lockwashers (7)
from the U-bolts (8).
(4) Using a hammer and a punch, lightly tap on
U-bolts (8) until they are removed from the
end yoke (9). Stagger the taps so the U-
bolts will not bind up in the end yoke.
(5) Carefully maneuver the drive shaft out from
between the reducer gearbox and the
pump.
4-210
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