2. Loosen the setscrew on the v alv e and rotate
the v alv e appro ximately 1/2 tur n cloc kwise .
3. V erify the lift rate adjustment b y raising and
lo w ering the cutting unit sev eral times . Adjust
as required.
4. After attaining the desired lift rate , tighten the
setscrew to loc k the adjustment.
Adjusting the Rear Cutting Units
1. Raise the hood and locate the v alv e on left,
rear side of the mac hine ( Figure 76 ).
Figure 76
1. Rear cutting units adjustment valve
2. Loosen the setscrew on the v alv e and rotate
the v alv e appro ximately 1/2 tur n cloc kwise .
3. V erify the lift rate adjustment b y raising and
lo w ering the cutting unit sev eral times . Adjust
as required.
4. After attaining the desired lift rate , tighten the
setscrew to loc k the adjustment.
Backlapping the Cutting
Units
Contact with the r eels or other mo ving par ts
can r esult in per sonal injur y .
• K eep finger s, hands, and clothing a w ay
fr om the r eels or other mo ving par ts.
• Nev er attempt to tur n the r eels by hand
or f oot while the engine is r unning .
Note: W hen bac klapping, the front units all
operate tog ether , and the rear units operate
tog ether .
1. P osition the mac hine on a lev el surface , lo w er
the cutting units , stop the engine , eng ag e the
parking brak e , and mo v e the Enable/Disable
switc h to disable position.
2. Unloc k and raise the seat to expose the
controls .
3. Mak e initial reel to bedknife adjustments
appropriate for bac klapping on all cutting units
whic h are to be bac klapped; refer to the cutting
unit Operator’ s Manual .
4. Star t the engine and r un at idle speed.
Changing the engine speed while
backlapping may cause the r eels to stall.
• Nev er change the engine speed while
backlapping .
• Onl y backlap at idle engine speed.
5. Set both reel speed controls to position 11.
6. Select either front or rear on the bac klap switc h
to deter mine whic h units to bac klap .
T o a v oid per sonal injur y , be cer tain that
y ou ar e clear of the cutting units bef or e
pr oceeding .
7. Mo v e the Enable/Disable switc h to the Enable
position. Mo v e the Lo w er Mo w/Lift control
forw ard to star t the bac klapping operation on
the designated reels .
8. F or the cutting units being bac klapped, mo v e
the reel speed control to position 1.
9. Apply lapping compound with the long handle
br ush supplied with mac hine . Nev er use a
shor t handled br ush.
10. If the reels stall or become er ratic while
bac klapping, select a higher speed setting until
the speed stabilizes , then retur n the reel speed
to setting 1 or to y our desired speed.
11. T o mak e an adjustment to the cutting units
while bac klapping, tur n the reels off b y mo ving
the Lo w er Mo w/Raise lev er rearw ard; the
57
To Next Page
Loading...
