SECTION 3 - CHASSIS & TURNTABLE
3120740
– JLG Lift –
3-81
11.
After removing bullet, clamp motor in vise as shown
above. Make sure shaft cannot fall out. Install dry screws
and alternately torque them immediately to 250 in/lbs
(28 Nm). If you use primer, allow to cure 10 to 15 min-
utes. Without primer, allow 6 hours curing time before
subjecting to high torque reversals. On all other applica-
tions, you can run motor immediately.
If you use new screws, make sure they are correct
length: 22 mm (0.875 in.) under head length. See parts
book for correct part number.
GEROTOR END
1.
Reposition motor with gerotor end up, then clamp
across ports. Do not clamp on side of housing.
TO AID INSTALLATION OF SEALS, APPLY LIGHT COAT OF CLEAN PETROLEUM
JELLY TO SEALS. DO NOT STRETCH SEALS BEFORE INSTALLING THEM IN
GROOVE.
2.
Pour approximately 35 cc of clean hydraulic oil in output
shaft cavity.
3.
Install 73 mm (2.875 in.) I.D. seal in housing seal groove.
Avoid twisting seal.
Timing Procedure
a.
Install drive. Use felt tip marker to mark or drive
tooth. Align this tooth with timing dot on shaft.
NOTE:
If drive is not symmetrical, install larger splined end into
shaft.
b.
Install spacer plate.
c.
Install 73 mm (2.875 in) I.D. seal in gerotor seal
groove. Carefully place gerotor on spacer plate, seal
side toward spacer plate.
Standard rotation align any star point with tooth marked on
drive (see figure below).
Reverse rotation align any star valley with marked tooth
(see figure below).
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