
Rev. E Reelmaster 6500--D/6700--D
DPA Cutting Units
Page 7.2 -- 16
Backlapping
DANGER
TO AVOID PERSONAL INJURY OR DEATH:
D Never place hands or feet in the reel area
while the engine is running.
D When backlapping, run engine at idle speed
only.
D While backlapping, the reels may stall and
then restart.
D Do not attempt to restart reels by hand or
foot.
D Do not adjust reels while the engine is
running.
D If a reel stalls, stop engine before
attempting to clear the reel.
D Reelmotorsareconnectedinseries: rotating
one motor causes rotation in other motors.
Note: Additional instructions and procedures on
backlapping are available in the Toro Service Training
Book,Sharpening Reel and Rotary Mowers (partno.
80300SL).
Note: Whenbacklapping,the frontunitsalloperate to-
gether, and the rear units operate together.
1. Position the machine on a level surface, lower the
cutting units, stop the engine, move the Enable/Disable
switch to disable position, and engage the parking
brake.
2. Unlock and raise the seat to expose controls.
3. Locate the reel speed selector knobs and backlap
levers (or knobs) (Fig. 16). Rotate the desired backlap
lever(s) to the backlap position and the desired reel
speed selector knob(s) to position “1.”
Note: Backlapping speed may be increased by mov-
ing the reel speed selectorknob toward“13.” Eachposi-
tion will increase speed approximately 100 rpm. After
changingselector,wait30secondsforthesystemtosta-
bilize at the new speed.
4. Makeinitial r eel tobedknife adjustments appropriate
for backlapping onall cutting units which are to be back-
lapped.
5. Start engine and run at idle speed.
6. Move Enable/Disable switch to Enable position.
Move Lower Mow/Lift control forward to start backlap-
ping operation on designated reels.
Figure 16
1. Reel Speed Selector Knobs
2. Backlap Levers
1
2
2
1
Figure 17
1. Long Handle Brush
1
7. Apply lapping compound with a long handle brush
(see Special Tools) (Fig. 17).Never use a shorthandled
brush.
Reels may stall while backlapping. Do not
attempt to restart reels by hand or touch reels
while backlapping. Stop engine and turn reel
speed adjustment knob one position toward
”13.”
DANGER
8. If reels stall or become erratic while backlapping,
stop backlapping by moving the Lower Mow/Lift control
lever rearward. Once the reels have stopped, move the
desired reel speed selector knob(s) one position closer
to“13.”Resumebacklappingby movingtheLowerMow/
Lift control lever forward.