OIL
PUMP
(Cont'd)
Installation (Cont'd)
Install the inner and outer rotor
in
the oil pump cover, after
putting
oil
on
the surface of the rotors.
The inner rotor and outer rotor have a mark on them,
install the rotors with the marks
in
the same direction [A].
Slide the oil pump assembly into the front cover [B].
Install the 0.24 inch (6 mm) diameter bolt (item 1) [C].
Install the other bolts and tighten to
11-13
ft
.-
Ibs.
(15-18
Nm) torque.
Tighten the bolt (Item
1)
[C) to
90-102
in.-Ibs. (10,2-11,5
Nm) torque.
Put a small amount of oil on the oil seal.
Install
the sprocket for the oil pump.
Put
an
old timing belt around the sprocket to hold it and
tighten the nut to
25-28
ft.-Ibs.
(34-38
Nm) torque.
Install the timing belt and front cover. (See Page
70-48.)
Relief Valve
Remove the oil pressure relief valve
[0].
Check the poppet for damage. Check the spring for free
length and pre-load as listed below:
Free Length . . .
..
.
..
..
.
....
..
1.850 inches (47 mm)
Pre-load . . 16 Ibs. @ 1.398 inches
(71
N @ 35,5 mm)
If spring
is
not within specifications, replace the spring.
Added Sept.
90
A
-70-54-
B-09743
741, 742, 743,
7430S
Bobcat
Loader
Service Manual
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