TM 5-3740-218-13&P
ENGINE AND PUMP ASSEMBLY HYDRAULIC PUMP ASSEMBLY REPAIR (CONT)
D. REPAIR
(1)
Using emery stone file (item 7, Appendix E), remove burrs or sharp edges from shaft end, keyway, gear teeth,
and body.
(2)
Other repair is limited to removal and replacement of parts in parts repair kit.
E. ASSEMBLY
WARNING
Death or serious injury could result by repeated and/or prolonged
breathing and/or skin contact of drycleaning solvent (P-D-680). Use in a
well-ventilated area. Do not use near open flame or in excessive heat.
The flash point of this solvent is 100F-138F (38C-59C).
NOTE
All parts in parts repair kit should be used to replace parts in pump.
(1)
Thoroughly clean all parts of hydraulic pump with drycleaning solvent (item 59, Appendix E) and dry thoroughly.
(2)
Install new lip seal (1) in front plate (2) in same direction noted during removal.
(3)
Seat lip seal (1) by tapping with plastic hammer.
(4)
Install two new steel check balls (3) and two new springs (4) in front plate (2).
(5)
Place new diaphragm V seal (5) over groove in front plate (2) with lips of V section down and carefully work
edges of seal (5) into groove. Press down on seal web until seal is bottomed out.
(6)
Place new protector gasket (6) in grooves over diaphragm V seal (5) and carefully work gasket down into
grooves until bottomed out.
(7)
Place new backup gasket (7) over protector gasket (6)and press firmly in place.
(8)
Install new diaphragm (8) with bronze face up. Make sure entire diaphragm fits inside raised rim of diaphragm
V seal (5).
(9)
Lubricate remaining pump parts with hydraulic fluid (item 10, Appendix E).
(10) Slip drive gear assemblies (9) into front plate (2) bearings.
(11) Align matchmarks and slip body (10) over drive gear assemblies onto front plate (2).
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