Lesco 708686, Руководство оператора

Страница: 11 / 16

11
LESCO
MAINTENANCE
tension to new PTO belt. If used, remove
breaker bar from idler arm.
5. Replace center mower deck cover and secure
it in place with two large wing nuts.
NOTE: Ensure that the center mower deck cover
is replaced and secured with the two large wing
nuts.
REMOVING THE MOWER DECK
WARNING: Disengage the PTO, stop engine and
remove key to avoid accidental starting and injury.
WARNING: When handling the mower deck, be
careful not to cut yourself on the sharp blades.
a. Remove the center mower deck cover by first
removing the two large wing nuts.
b. Remove the PTO belt.
c. Lift one side of the mower deck.
d. Push the button in the center of the handle of
each of the two retaining pins supporting this side
of the mower deck. Remove the pins.
e. Lower this side of the mower deck until the ball
wheels rest on the surface.
f. Repeat steps 3 through 5 for the other side of the
mower deck
g. Push down on the power unit handle bar to bring
the front caster wheels to a level above the top of
the mower deck.
h. Pull the power unit rearward, free of the mower
deck.
i. Slowly reduce force on the handle bar to lower
the front caster wheels until they rest on the
surface.
5. TO CHANGE THE PUMP DRIVE BELT:
(See Figure 5.)
a. Make sure the blade clutch is disengaged.
b. Working under the engine deck, take the long
blade drive belt off of the engine pulley.
c. Loosen the locknut holding the pump drive belt
idler pulley in place and slide the pulley away
from the pump drive belt.
d. Remove the old belt and mount a new belt on
the pulleys.
e. Slide the idler pulley back onto the belt and
tighten the locknut holding it in place. The idler
pulley should be adjusted so that a five-pound
pull on the belt between the engine pulley and
the pump pulleys deflects the belt about 3/16".
f. Replace the long blade drive belt on the engine
pulley.
6 TO CHANGE A SPINDLE ASSEMBLY:
a. Make sure the blade clutch is disengaged.
b. Remove the deck cover.
c. Remove the blade.
(See paragraph 1. To Change
a Blade.)
d. Remove the blade drive belts. (See
paragraph 3.
To Change the Blade Drive Belts.)
e. Remove the two bolts which hold the pulley
bushing tight in the spindle pulley and thread the
bolts into the other two holes in the bushing.
f. Alternately turn each bolt 1/2 turn clockwise until
the bolts force the pulley off of the
bushing.
g. Remove the bushing by tapping a large screw
driver into the slot in the side of the bushing.
h. Remove the key fom the spindle.
i. Tip the mower back and block up the front of the
deck.
j. Remove the four bolts and locknuts holding the
spindle assembly to the deck.
k. Remove the spindle assembly.