Mower Installation & Removal.34 - Allis-Chalmers 900 Series Instruction Manual

Lawn & garden tractors
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MOWER INSTALLATION & REMOVAL
MOWER INSTALLATION & REMOVAL
MOWER INSTALLATION
To prepare for installation, place the mower on a flat,
hard working surface such as a concrete or blacktop
drive.
Park your tractor to the right of the mower, and
position the tractor front wheels for a sharp right hand
turn.
Then proceed as follows to install the mower.
WARNING:
For your personal safety, stop
tractor engine, remove key, shift into neutral,
set parking brake, and disengage Power-Take-Off
(PTO) before installing the mower on your tractor.
1.
Slide the mower under the tractor.
2.
Turn the front wheels to face straight ahead.
3.
Using the tractor lift lever or optional electric lift,
lower the tractor lift cable.
4.
Use the lift cable pin and spring clip to attach the
tractor lift cable clevis to the mower lift anchor.
(E, Figure 37).
NOTE:
The front idler pulley (L, Figure 37) should
be in the top mounting hole for mower installation.
5.
Raise the mower using the tractor lift lever or electric
lift.
6.
Lift
the front of the mower and attach the mower
hitch to the tractor front hitch using the pins and
safety clips provided with the mower. The pins are
installed from the outside, and it is usually easier
to install the left hand side pin first.
WARNING:
For your personal safety, be sure
to remove tractor ignition key after using it
to operate the optional electric lift. Accidental
starting is possible if the key is left in the ignition.
7.
Lower the mower fully.
8.
Push the belt tensioning lever (C, Figure 37) fully
down and forward.
9.
Raise the tractor seat to gain access to the PTO
pulley.
10.
Install the mower drive belt provided on the mower
pulley and the tractor pulleys.
The belt must be
seated in the inner groove of the PTO pulley. Make
sure that flat side of the belt contacts the front idler
pulley (L).
11. Pull the belt tensioning lever fully back and up to
put tension on the mower drive belt.
12. Notice that the rear idler pulley (M) is mounted in
a slot.
The pulley can be moved forward or back
to increase or decrease belt tension.
For initial
setting proceed as follows. With the pulley tensioning
lever pulled fully up and back, measure the clearance
between the front idler bracket and the stop.
See
diagram in Figure 37A.
The clearance should be
approximately 7/8" (22 mm). If not, push the belt
tensioning lever down. Change position of the rear
idler pulley in the slot.
Recheck the measurement
with belt tensioning lever pulled up and back.
NOTE:
Front idler bracket should operate in green
range of decal on stop when properly adjusted.
Drive the mower for about 15 minutes and recheck
the measurement.
Change the position of the rear
idler pulley. If necessary.
13.
Lower the tractor seat.
14.
Level the mower according to the Mower Leveling
procedure that follows.
34

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