PS
M6.1
6140
001
OE35
Version no
T-code
F-code
Section
C-code
Lift Pump Assembly
252
Service Manual
1997-12-15
9. Separate rear cover (10) from body (2)
by
supporting pump, shaft end up, on the mounting
flanges and pressing on drive shaft end in arbor
press, or tap drive shaft with a plastic mallet.
10. An alternative method of removing the rear cover is
to pry simultaneously with two large screwdrivers
in relieved areas between body and cover.
11. Holding pump, shaft end down, remove rear cover
(10). Dowel pins (3) may remain either with body or
rear cover.
NOTE! During disassembly, take special note of the
wear patterns on wear plate (8), thrust plate
(6), and body (2). Relate these patterns th
the inlet and outlet sides of the pump. The
large port in the rear cover (10) always
corresponds to the inlet side of the pump.
The inlet side can be further identified by the
gear contact patterns in the body (gear)
bore. The wear plate (8) wwill have a
somewhat heavier wear pattern on the inlet
side. The thrust plate (6) will also have a
pattern that can
be established
for
reassembly. Also note that the long journal
of the driven gear (14) is toward the front of
the pump.
Use one hand to support rear cover from
underneath, since cover and internal parts
will drop suddenly when dowels
are
disengaged.
WARNING
At no time should screwdrivers be inserted
further into the pump body more then the
depth of the relieved areas. Any burr mast
be removed from the body (2) and/or cover
(10) after this operation to assure a good
seal between body and cover.
WARNING
NOTE! Seal gasket (9) and thrust plate (8) may remain
with rear cover (10). Should they remain with
body (2), remove gasket (9) and lift out thrust
plate (8) before proceeding.
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