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For All Units with a ROPS installed:
1. Install the upper u-shaped section of the roll bar.
(Reference Figure 9 for alignment and installation
instructions below):
2. Locate the latch pin assemblies (pin and hairpin
connected with a lanyard).
3. Install a 1/2-13 x 3 1/4 inch capscrew in the washer
on the lanyard of each pin assembly.
Note: Make sure the bent tab in the washer points
toward the head of the capscrew.
4. Lightly oil the inside surfaces of the ear-shaped
plates at the upper end of the lower roll bar tubes.
5. Locate the upper u-shaped section of the roll bar.
Install the upper roll bar section using one 1/2-13 x
3 1/4 inch capscrew (from step 3) and one 1/2-13
inch hex flange lock nut on each side. Do Not over
tighten. Make sure upper roll bar can pivot freely.
Note: Make sure the capscrew and nuts are installed
with the nut to the inside of the roll bar.
Note: Make sure the tab on the lanyard washer is
installed as shown and points toward the front of
the unit.
6. Raise the roll bar into the upright position and secure
with the latch pin assemblies on each side. Install
latch pin from outer surface of roll bar assembly and
secure with the hairpin to the inside.
7. Tighten the front knobs against the upper roll bar
ends.
1. Latch pin assembly
2. 1/2-13 x 3 1/4 inch
capscrew
3. 1/2-13 inch hex flange lock
nuts
Figure 9
4. Apply oil to inside surface
of ear shaped plates.
5. Upper roll bar tube
All Units:
Tighten all hardware that attaches the Ultra Vac mount
to the machine frame. Start with the screws that hold
the mount weldment to the rear of the unit and work
forward.
All Units with a ROPS installed:
Torque all lower roll bar hardware attached to the
machine frame to 30-35 ft-lb (41-47 N-m).
Lazer Z Units with Serial Number
352,000–509,999:
Reinstall the rear wheels and lower the unit from the
jack stands.
All Units:
Apply a light coat of grease to the front and rear of
the upper tube of the mount weldment. Install the
hood assembly (item 7) onto the mount by slipping the
hook portion over the top mounting tube of the mount
weldment. Secure the assembly to the mount using the
clevis pins (item 19) and hairpins (item 20).
Install the bag assemblies (item 1) by inserting the hook
portion into the slots in the cross bar of the hood
assembly.
Installing the Blower Assembly
Units Serial Number 352,000–509,999
without Splined Blade Driver:
1. Stop the engine, remove the key, and wait for all
moving parts to stop.
2. Lower the deck fully. Remove the right hand belt
cover. Remove the belt cover mounting stud that
protrudes from the deck.
3. Remove the deck drive belt from around the right
hand spindle sheave.
4. Support the right mower blade and shaft so that it
will not fall out of the deck when the right sheave
nut is removed.
5. Remove the right sheave nut, spring disc washer, and
sheave from the spindle shaft.
Block the blade rotation with a block of wood
between the blade and baffles as indicated in
the blade service section of the units Operator's
manual. Do Not use the blade bolt to prevent
rotation.
9
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