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 Remove the nut washer and gear.
S T E P 3.
Rotation causes the volume at the gear
mesh to increase on the inlet side and
This
Remove the hex countersunk head
decrease on the pressure 'side.
S T E P 4.
screws and hex head capscrew
creates a suction at the pump inlet port
(Items 3 and 4)
to allow filling of the gear tooth spaces
by the pressure acting on the fluid in
Remove the key (Item 13) from
the inlet line.
STEP 5.
the exposed end of the pump
NOTE
drive shaft.
Remove the pump front cover
Always thoroughly clean unit to be
STEP 6.
disassembled with a non-corrosive
(Item 5) by tapping the flange
with a soft metal or fibre
stoddard type cleaning solvent
which will not affect rubber
hammer.
components.
The pump center section (Item 12)
STEP 7.
will remain attached to either
CAUTION
the front cover (Item 5) or the
CLEAN WORKING AREAS ARE AN ABSOLUTE
back cover (Item 31)
MUST WHEN DISASSEMBLING, REPAIRING
Place the pump drive gear and
STEP 8.
OR REASSEMBLING HYDRAULIC COMPONENTS
shaft (Item 16) into the un-
separated sections and, while
OF ANY TYPE.
holding the center section (Item
12), tap lightly to separate
POWER STEERING PUMP
5-117.
NOTE
5-118.
REMOVAL (Refer to page 7-70).
Use caution to avoid "Cocking"
Remove all the hydraulic lines to
a.
of the dowel pins (Item 6).
the power steering pump.
Remove wear plate (Item 10) and
STEP 9.
Cap the lines so that contamination
b.
the thrust plate (Item 32)
does not occure.
STEP 10 . M a r k t h e f r o n t c o v e r i s l a n d n e x t
Remove the two mounting bolts that
c.
to the pressure vent hole in the
mount the pump to the engine.
heat shield (Item 9), the gasket
(Item 8) and the rubber seal
Remove pump from the machine
d.
(Item 7).
Remove all fittings from the pump.
e.
NOTE
DISSASSEMBLY (See figure 5-136
This mark will aid you in reassembly
5-119.
for parts identification).
of the pump as the location of the
vent hold determines pump rotations.
Scribe a line across the three
STEP 1.
sections of the pump assembly
STEP 11. Use a piece of small diameter wire
This line
being dismantled.
(paper clip) to remove the heat
shield (item 9), the gasket (Item
will act as a guide in re-
8) and the rubber seal (Item 7).
assembly.
These three items should be thrown
Remove the cotter pin from the
STEP 2.
away as they should always be re-
nut thats holding the drive
placed when pump is dissassembled.
gear in place.
5-92
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