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Reelmaster 3100--D
DPA Cutting Units (Rev G)
Page 8 -- 26
IMPORTANT: During cutting reel installation, keep
inner a nd outer bearing races aligned. If bearing
races are not aligned, binding will occur and reel
installation may cause bearing damage. Use reel
bearing installation tool (#117--0975) to help with
bearing alignment during reel installation.
3. Usingreel bearing installation tool(see SpecialTools
in this chapter) to keep reel bearing aligned, carefully
slide the cutting reel with bearings and grease seals into
the RH side plate. Make sure that bearing is fully seated
into side plate.
4. On LH side plate, loosen set screw (item 21) and
back--off (loosen) bearing adjuster nut (item 20) one
complete turn.
5. Usingreel bearing installation tool(see SpecialTools
in this chapter) to keep reel bearing aligned, carefully
slide the LH side plate onto the cutting reel assembly,
front roller and rear roller. Make sure that reel end in RH
side plate does not shift in position.
6. Install shoulder bolts (item 8) and flange nuts (item
24) that secu re the LH side plate to the cutting unit
frame. Torque the shoulder bolts from 27 to 33 ft--lb (37
to 44 N --m).
7. Apply Loctite #242 (or equivalent) to threads of
flange head screw that secures support tube, frame
spacer and carrier frame to LH side plate (Fig. 27).
Install screw and torque from 27 to 33 ft--lb (37 to 44
N--m). After tightening screw, check the clearance be-
tween the carrier frame and side plate. If clearance is
more than 0.090” (2.3 mm), remove flange head screw
and position shim(s) (part number 67--9410) between
carrier frame and side plate so that clearance is less
than 0.090” (2.3 mm). Make sure that the carrier frame
pivots freely after assembly.
8. Install cap screw and flat washer that secure rear
grass shield to LH side plate (Fig. 27). Torque screw
from 15 to 19 ft--lb (20 to 25 N--m).
9. Secure the bedbar assembly to LH side plate (see
Bedbar Installation in this section).
10.Secure front and rear rollers to LH side plate (see
Front Roller Installation and Rear Roller Installation in
this section).
IMPORTANT: Over tightening reel bearing adjuster
nut may damage reel bearings.
11.Make surethat set screw (item 21)is loose in LH side
plate to allow bearing adjuster nut movement. With the
cutting unit and reel in a horizontal position, torque the
bearing adjuster nut (item 20) 25 in--lb (2.8 N--m) to re-
move cutting reel end play.
12.Loosen the bearing adjuster nut. Then torque bear-
ing adjuster nut from 15 to 17 in--lb (1.7 to 1.9 N--m).
After torquing nut, check that reel rolling torque does not
exceed 10 in--lb (1.1 N --m).
13.Apply Loctite #242 (or equivalent) to threads of set
screw and secure bearing adjuster nut in place with set
screw. Torque set screw from 12 to 15 in--lb (1.4 to 1.7
N--m).
14.Adjust cutting unit (see Cutting Unit Operator’s
Manual).
Note: The parallel position of the rear roller to the cut-
ting reel is controlled by the precision machined frame
and side plates of the cutting unit. If necessary, the cut-
ting unit side plates can be loosened and a slight adjust-
ment can be made to parallel the rear roller with the
cutting reel (see Leveling Rear Roller in the Set--Up and
Adjustments section of this Chapter).
15.If cutting unit is equipped with optional rear roller
brush, install components for those options to left hand
side plate of cutting unit. See Rear Roller Brush in the
Service and Repairs section of this chapter for informa-
tion on rear roller brush.
16.If weight was removed from cutting unit, install new
O--ring (item 12) on weight. Secure weight to cutting unit
side plate with two (2) c ap screws. Torque screws from
27 to 33 ft--lb (37 to 44 N-- m) .
17.Lubricate cutting unit grease fittings until grease
purges from relief valves in side plates. Initial greasing
may require several pumps of a hand grease gun.
18.Install cutting unit to the machine.