Caster Pivot Bearings Pre-Load Adjustment; Cleaning; Clean Engine Cooling System; Clean Under Engine Blower Housing - Exmark LAZER Z CT Operator's Manual

Maintenance
brake disengaged or the PTO engaged, the engine
should stop after 1/2 second has elapsed.
2. To adjust seat switch, loosen lock nut on bottom
of the actuator rod (5/16 x 7 inch bolt) and adjust
the nuts to move the actuator plate up or down
on the rod.
Caster Pivot Bearings
Pre-Load Adjustment
Remove dust cap from caster and tighten nyloc nut
until washers are flat and back off 1/4 of a turn
to properly set the pre-load on the bearings. If
disassembled, make sure the spring disc washers are
reinstalled as shown in Figure 18.
Figure 18
1. Spring disc washers

Cleaning

Clean Engine Cooling
System
Service Interval: Before each use or daily
CAUTION
Excessive debris can cause the engine and
hydraulic system to overheat which can
create a fire hazard.
Clean all debris from around the engine and
hydraulic pumps daily.
1. Stop engine, wait for all moving parts to stop, and
remove key. Engage parking brake.
2. Clean all debris from rotating engine air intake
screen, muffler area, and from around engine
shrouding.
Clean Under Engine Blower
Housing
Service Interval: Every 100 hours (May be
1. Stop engine, wait for all moving parts to stop, and
remove key. Engage parking brake.
2. Remove the engine blower housing and remove
debris form around engine.
3. Reinstall the engine blower housing.
Important: Do Not use water to clean engine.
Use low pressure compressed air. See Engine
Owner's Manual.
Clean Grass Build-Up Under
Deck
Service Interval: Before each use or daily
1. Stop engine, wait for all moving parts to stop, and
remove key. Engage parking brake.
36
(May be required more
often in dry or dirty
conditions.)
required more often in dry
or dirty conditions.)