4. Remove belt(s). Position the new belt(s) in pulleys
and assemble the gear box and plate assembly to the
deck.
5. Adjust belt tension; refer to Adjusting Cutting Unit
Belt Tension.
SEPARATING CUTTING UNITS
FROM TRACTION UNIT
Front Cutting Unit
1. Position the machine on a level surface, lower the
cutting unit to the shop floor, engage the parking
brake, shut the engine off and remove the key from
the ignition switch.
2. Remove the deck covers and relieve belt tension on
all belts (Fig. 64).
3. Remove the flange-head screws securing the
gearbox plate and separate the plate and drive motor
assembly from the deck (Fig. 62). Be careful not to
bend, twist, kink or damage flexible hydraulic lines.
4. Remove the hex head screws and flange locknuts
securing each lift arm to the castor arm and separate
from the arm (Fig. 62).
5. Roll the cutting unit away from the traction unit.
6. To re-install cutting unit, assemble in reverse order.
Outboard Cutting Units
1. Position the machine on la level surface, lower the
cutting unit to the shop floor, engage the parking
brake, shut the engine off and remove the key from
the ignition switch.
2. Remove the deck covers and relieve belt tension on
all belts (Fig. 65).
3. Remove the flange head screws securing the
gearbox plate to the deck. To separate the plate and
drive motor assembly from the deck, rotate the plate
end toward the traction unit (Fig. 66). Tip the plate,
motor and pulley assembly on its side and remove
them from the deck. Be careful not to bend, twist,
kink or damage flexible hydraulic lines.
Figure 66
1. Deck cover
2. Gearbox plate
3. Deck pivot Shaft
4. Deck clevis
5. Lift bar
4. Remove the locknut securing the deck pivot shaft
into the deck clevis and lift bar (Fig. 66).
5. Move the cutting unit away from the machine.
6. To re-install the cutting unit, assemble in reverse
order.
CHECKING AND CORRECTING
CUTTING BLADE MISMATCH
If there is mismatch between the blades, the grass will
appear streaked when it is cut. This can be corrected by
ensuring all blades are straight and cutting on the same
plane.
1. Adjust the cutting unit to the highest height of cut.
Position the castor wheel axles in lower castor fork
holes (Fig. 67, 68). If checking the front cutting
unit, reposition the two rear castor’s clevis pins to
highest height-of-cut setting (Fig. 68). On the front
castors, move all castor spacers to the underside of
the castor arms (Fig. 68). To check outboard units,
move all castor shaft spacers to the underside of the
castor arms and castor wheel axles to lower castor
fork holes.
Maintenance
44
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