Service Manual

Cutting Units
03857, 03858, 03859
Reelmaster 6500–D/6700–D Page 8.1 – 21 Cutting UnitsRev. C
Model 03857, S/N 80302 & Up
Model 03858, S/N 81419 & Up
Model 03859, S/N 81993 & Up
Service and Repairs
Backlapping
DANGER
REELS MAY STALL WHILE BACKLAPPING.
DO NOT ATTEMPT TO RESTART REELS BY
HAND OR TOUCH REELS WHILE
BACKLAPPING. STOP ENGINE AND TURN
H.O.C. KNOB ONE POSITION TOWARD ”A”.
NOTE: When backlapping, the front units all operate
together, and the rear units operate together.
1. Position the machine on a level surface, lower the
cutting units, stop the engine, engage the parking brake,
and move the Enable/Disable switch to disable position.
2. Unlock and raise the seat to expose controls.
3. Open control cover and turn the H.O.C. selection
knob to position “P” (Fig. 37).
NOTE: Backlapping speed may be increased by moving
the H.O.C. selection knob toward “A”. Each position will
increase speed approximately 60 rpm. After changing
selector, wait 30 seconds for the system to respond to
the new speed target.
4. Make initial reel to bedknife adjustments appropri-
ate for backlapping on all cutting units which are to be
backlapped.
5. Start engine and run at idle
speed.
DANGER: To avoid personal injury, never place
hands or feet in reel area while engine is running.
Changing engine speed while backlapping may
cause reels to stall. Never change engine speed
while backlapping. Only backlap at idle engine
speed. Never attempt to turn reels by hand or foot
while engine is running.
6. Select either front or rear on the backlap switch to
determine whether front or rear reels will be backlapped.
DANGER: To avoid personal injury, be certain that
you are clear of the cutting units before proceeding.
7. Move Enable/Disable switch to Enable position.
Move Lower Mow / Lift control forward to start back–lap-
ping operation on designated reels.
8. Apply lapping compound with a long handle brush
(Toro Part No. 29–9100). Never use a short handled
brush (Fig. 38).
9. If reels stall or become erratic while backlapping,
the reel control light will begin to blink and the reels will
turn off. If this occurs, turn the H.O.C. selection knob one
position closer to “A”. Then, toggle the Enable/Disable
switch to the disable position followed by the enable
position. To resume backlapping, move the Lower Mow /
Lift control lever forward.
10. To make an adjustment to the cutting units while
backlapping, turn reels OFF by moving the Lower Mow/
Raise lever rearward; move the Enable/Disable switch
to Disable and turn the engine OFF. After adjustments
have been completed, repeat steps 5 – 9.
11. Backlap until a small burr develops across the entire
front edge of the bedknife.
12. Repeat procedure for all cutting units to be backlap-
ped.
13. When backlap operation has been completed, re-
turn the backlap switch to OFF, lower seat and wash all
lapping compound off cutting units. Adjust cutting unit
reel to bedknife as needed.
IMPORTANT: If the backlap switch is not returned to
OFF position after backlapping, the cutting units
will not raise or function properly.
Figure 37
1. H.O.C. Selector Knob
1
Figure 38
1. Long handle brush
1