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JACOBSEN G-PLEX III Series: FH & FJ
SAFETY AND OPERATORS MANUAL
8 SETUP
8.3 REEL MOTOR MOUNTING
1. The cutting head motor mounting adaptor,
coupling and hardware are shipped in the
step located above the left front wheel. Install
a 1.49" i.d. x .07" (38mm x 1.7mm) O-ring on
the male side of motor adapter plate and a
1.99" i.d. x .07" (50mm x 1.7mm) O-ring on
the reel motor mount face.
2. Remove and discard screws holding the
shipping cover to cutting head (retain the
shipping cover to protect the bearings
whenever the motor is removed from the
cutting head).
3. Install coupler on cutting head shaft (See Fig.
8.3.1).
4. Install motor adapter plate positioning the
male face and O-ring toward the cutting head
(See Fig.8.3.1).
5. Install two (2) 5/16-18 x 1 1/2" screws (with
washer and lock washer) loosely into the
mounting holes (See Fig 8.3.2).
6. Align the splines on the motor shaft with the
coupler and slide the motor into place rotating
approximately 45° away from the mounting
screws. With motor face against adapter
plate, rotate the motor mounting flange into
place engaging the screws into the motor
mounting flange slots. Tighten screws to 18ft/
lbs (24 N·m).
7. Add lithium based lubricant to the bearing
housings at BOTH ends of the reels
(reference lubrication fitting in Figure 8.3.2).
Bearings at both ends are partially packed
with lubricant at the factory, but additional
lubricant is required once assembled. Use a
pressure gun to add lubricant until it starts to
escape from the fittings. Wipe off any excess
lubricant.
NOTE: Check to MAKE SURE when the cutting
heads are lowered to the turf, they must
contact the turf evenly across the entire
length of the cutting head. If the front
cutting heads contact the level surface
unevenly, refer to the adjustment section
in the parts and maintenance manual.
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