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FIGURE 5
UPPER ROLL BAR INSTALLATION
3.2.12 All units: Tighten all hardware that attaches the Ultra Vac mount to the machine
frame. Start with the screws that hold the mount weldment tot the rear of the unit
and work forward.
3.2.13 All units with a ROPS installed: Torque all lower roll bar hardware attached to the
machine frame to 30-35 ft-lbs. (41-47 N-m).
3.2.14 All Lazer Z units: Reinstall the rear wheels and lower the unit from the jack
stands.
3.2.15 Apply a light coat of grease to the front and rear of the upper tube of the mount
weldment. Install the bagger assembly (Item 7) onto the mount by slipping the
hook protion 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).
3.2.16 Install the bag assemblies (Item 1) by inserting the hook portion into the slots in
the cross bar of the hood assembly.
3.3 INSTALL BLOWER ASSEMBLY
3.3.1 Lower the deck fully. Remove the right hand belt cover. Remove the belt cover
mounting stud that protrudes from the deck.
3.3.2 Remove the deck drive belt from around the right hand spindle sheave.
3.3.3 Support the right mower blade and shaft so that it will not fall out of the deck
when the right sheave nut is removed.
3.3.4 Remove the right sheave nut, spring disk washer, and sheave from the spindle
shaft.
NOTE: On units with wrench flats on the spindle just above the blade use a 1-
inch wrench on the flat sides of the spindle shaft to prevent the spindle from
turning. On units that do not have a wrench flat, block the blade rotation with
a block of wood between the blade and baffles as indicated in the blade
service section of the Lazer operator’s manual. Do not use the blade bolt to
prevent rotation.
On units with serial numbers below 352,000 replace the spindle shaft. Reference
Section 2.4 to determine which kit(s) are required to replace the spindle shaft..
Remove the spindle shaft / blade assembly from the mower. Transfer the blade
from the original shaft to the new spindle shaft and reinstall the assembly onto
the mower.
3.3.5 Apply a light coat of Mobil HTS grease (or food grade antisieze) to the top portion of
the spindle shaft where the sheave mounts.