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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