Exmark Laser Z XP Operator's Manual page 37

e) Insert Caster Spacer.
f) With open end of wheel up, fill area inside wheel around caster spacer with
NGLI grade #2 multi-purpose gun grease.
g) Insert the second (1) bearing, (1) new seal, and (1) bearing spacer.
h) Put wheel and tire assembly on the unit and adjust by tightening the nyloc
nut until wheel will not turn freely. Back nut off 1/6 of a turn so the wheel
will just turn with a slight amount of drag.
IMPORTANT: To prevent seal and bearing damage, check the bearing
adjustment often. Spin the caster tire. The tire should not spin freely (more
than 1 or 2 revolutions) or have any side play. If the wheel spins freely
adjust per step h).
5.1.17 Lubricate brake handle pivot:
Service Interval: 160 hrs.
a) Stop engine, wait for all moving parts to stop, and remove key.
b) Lubricate bronze bushings on brake handle pivot with a spray type lubricant
or light oil.
5.1.18 Lubricate brake rod bushings:
Service Interval: 160 hrs.
a) Stop engine, wait for all moving parts to stop, and remove key.
b) Lubricate bronze bushings on each end of brake rod shaft with a spray type
lubricant or a light oil (bushings are located to the inside of the flange
bearings).
5.1.19 Lubricate motion control bronze bushings:
Service Interval: 160 hrs.
a) Stop engine, wait for all moving parts to stop, and remove key.
b) Tilt seat up.
c) Lubricate bronze bushings on flange bearings securing the motion control
arm shafts with a light oil or a spray type lubricant.
5.1.20 Check spark plugs (31 HP Daihatsu Gas units only):
Service Interval: Yearly.
a) Remove spark plugs, check condition and reset gaps, or replace with new
plugs. See Engine Owners Manual.
5.1.21 Drain fuel filter (27 HP Daihatsu Diesel units only):
Service Interval: When Water in Fuel warning light is "ON"
a) Stop engine, wait for all moving parts to stop, and remove key.
b) Place a drain pan under the fuel filter and loosen the drain plug
approximately 1 turn.
c) Water should drain.
d) When fuel begins to flow from the filter, tighten the drain plug.
e) Prime the fuel system (See Section 5.1.24).
f) Start engine. Make sure warning light goes out. Check for leaks.
IMPORTANT: Water or other contaminants in fuel can severely damage fuel
pump and/or the other engine components.
5.1.22 Replace fuel filter:
Service Interval: 31 HP Daihatsu Gas units – 600 hrs.
27 HP Daihatsu Diesel units – 800 hrs.
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