Repairs; Backlapping - Toro Reelmaster 4500–D Service Manual

Repairs

Never install or work on the cutting units or lift
arms with the traction unit engine running. Al-
ways stop the engine and remove the key
first.

Backlapping

DURING BACKLAP OPERATION REELS ARE
UNDER POWER. CONTACT WITH ROTATING
REELS CAN RESULT IN PERSONAL INJURY.
DO NOT ADJUST CUTTING UNITS WHILE EN-
GINE AND REELS
INSTRUCT OPERATOR TO STOP THE REELS
AND SHUT THE ENGINE OFF WHEN ADJUST-
MENT IS NECESSARY.
Use a good grade of medium grit (80 courseness) lap-
ping compound with a water soluble carrier so the com-
pound will be easily washed away after completion of
the operation. Dry lapping compound should be mixed
with liquid detergent until it has a free–flowing consis-
tency.
Two people are required to perform backlapping. Good
communication between one another is necessary and
caution should be used when making each move. With
one person on the seat to operate the controls (opera-
tor) the other performs the backlapping operation.
NOTE: Before starting the engine raise the grass deflec-
tor on the #1 cutting unit (center) and tighten fasteners
to retain the deflector in the raised position.
1st persons duties (Operator):
A. Sit on the seat and engage parking brake.
B. Start the engine and run at minimum throttle.
Lower either:1.) the center cutting unit (#1) or2.) the
left hand (#2) cutting unit or3.) the right hand (#3)
cutting unit.
With the #2 & # 3 cutting units up and latched (auto-
matically shut off) and the #1 cutting unit down,
backlap the center (#1) cutting unit from the rear of
the machine with the long handled brush. Backlap
Reelmaster 4500–D
CAUTION
CAUTION
ARE OPERATING.
Page 7 – 9
the #2 and #3 cutting units from the front of the ma-
chine.
C. Wait for 2nd person's instruction to engage reels
in BACKLAP mode, then pull up on reel switch and
move it to ENGAGE position.
D. Turn REEL SPEED KNOB counterclockwise to
the BACKLAP position.
E. Follow 2nd person's instructions. Be prepared to
stop reels and engine quickly in case of an emer-
gency.
2nd persons duties:
A. Instruct operator when to start and stop reels.
UNDER NO CIRCUMSTANCES
SHORT–HANDLED PAINT BRUSH TO APPLY
BACKLAPPING COMPOUND. A ROTATING
REEL CAN ACTUALLY PULL A SHORT HAN-
DLED PAINT BRUSH AND THE USERS HAND
INTO THE REEL CAUSING SERIOUS PER-
SONAL INJURY.
B. Dip 3 in. (76 mm) paint brush attached to Toro
Part No. 29–9200 Handle Assembly into lapping
compound. Stand clear and instruct operator to en-
gage reel into backlap mode.
C. Apply lapping compound evenly over full length
of the reel, assuring that all reel blades are covered.
Whenever noise of reel against the bedknife begins
to disappear or, an uneven concentration of material
appears on the reel, redistribute the compound with
the brush.
D. When it becomes necessary to adjust the reel to
the bedknife, instruct the operator to disengage the
reel, stop the engine and remove the key from the
CAUTION
USE A
Cutting Units