4-17. PUMP DRIVE AND PTO.
4-17.3 Reducer Gear to Pump Drive Shaft Replace.
This task covers
Tool Kit, General Mechanic, Automotive,
16, Appendix E Grease
20, Appendix E Penetrating Oil
29, Appendix E Threadlock Liquid
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)
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.
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.
If the drive shaft fasteners are excessively corroded, apply penetrating oil (item 20, Appendix
E) to ease disassembly.
(1) Remove the four capscrews (1), nuts (2),
and lockwashers (3).
(2) Support the drive shaft using mechanics
(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