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SECTION
5: MOWER
DECK
This
section
contains
removal,
installation,
adjust-
ment,
and maintenance
information
for the mower
deck. Some of the following
information
applies
only
to the model RZT50 deck, while some applies only to
the RZT54. information
that applies only to a specific
deck model will be preceded
by a bold title
line that
identifies
which deck is the subject of that information.
DECK REMOVAL
Remove the mower deck from the tractor as follows:
1.
Move the tractor to a level surface, disengage
the
PTO, stop the engine, and set the parking brake.
2.
Move the deck gauge wheels
or rollers to their
highest setting (lowest deck setting).
3.
Remove the 'V' belt from the PTO pulley, located
on the bottom
of the engine,
using one of the
following
two methods.
d_lb
WARNING:
The muffler at the rear of the
tractor
may be extremely
hot, and could
cause
serious
burns.
Use
extreme
caution
when near the muffler.
Allow the
muffler
to fully
cool before removing
the
belt from the PTO pulley.
Releasing
belt tension
with the idler pulley.
•
Using the deck lift handle, raise the deck to the
position
that provides the most horizontal
run of
the belt between
the deck idler pulleys and the
PTO pulley on the bottom of the engine.
•
Working
from the middle of the tractor,
pivot the
idler bracket
and movable
idler pulley
rearward
away from the backside
of the 'V" belt just far
enough to lift the belt up and over the idler pulley.
See Figure 30.
RZTb0 DECK SHOWN
\\,
Pull Idler Pulley
Rearward
Belt
Fixed Idler
Pulley
Movable Idler
Pulley
s'/
/
Figure 30
From beneath the rear of the tractor, slide the belt
off of the PTO pulley on the bottom of the engine.
Rolling
the belt off the PTO pulley.
•
Using the deck lift handle,
raise the deck to the
position
that provides
the most horizontal
run of
the belt between
the deck idler pulleys and the
PTO pulley on the bottom of the engine.
•
Sitting
behind
the tractor
facing
forward,
reach
beneath the tractor to grasp the belt at the front of
the PTO pulley.
_iL
ARNING:
Use
caution
to
prevent
pinching your fingers when rolling the
belt off the PTO pulley.
•
Pull the left side of the belt rearward
and down-
ward while manually turning the PTO pulley to the
right until the belt rides out onto the edge of the
lower sheave
of the pulley.
NOTE:
If pulling the
right side of the belt, turn the pulley to the left.
•
While
still holding
the belt downward,
continue
turning the PTO pulley until the belt is rolled off
the pulley. Refer to Figure 32
4.
5.
6.
7.
Lower the deck to the ground using the deck lift
handle.
Locate the LH and RH deck support pins on each
side of the deck.
Pull the
deck
support
pins
outward
and lock in the disengaged
position
to
release
the deck from the tractor's
LH and RH
deck lift arms. See Figure 31.
Deck Lift Arm
Rear Deck
Hanger Bracket
Rear Hanger
Bracket Slot
Figure 31
Raise the deck lift arms out of the rear hanger
bracket slots by raising the deck lift handle on the
tractor to its highest position.
Slide the deck forward
so that the deck front
hanger rod can be lifted out of the two slots of the
front deck bracket.
After lifting the front hanger
rod out of the slots, slide the deck rearward
so
that the rod can no longer engage the slots.
26
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