Husqvarna 968999181 / ZTH5223KAA Lawn Mower User Manual


 
15
MAINTENANCE
Pump belt
Check belt every 100 hours for excessive wear.
To replace belt. Relieve tension on the deck belt
and remove deck belt from clutch. See deck belt
instructions on previous page. Loosen bolt on
the clutch tie down and rotate out of the way.
Using a 1/2” drive ratchet inserted into the
square hole in the pump idler arm relieve the
tension on the pump belt and remove belt. To
reinstall belt. Swing pump idler pulley out toward
engine to route belt around it. Then route belt
around right side pulley first as you are looking
up from the underside of machine. Reinstall
idler spring and use the ratchet to rotate idler so
the belt may be installed all the way around the
last pulley.
Lubrication
See service decal under foot plate for service
points and maintenance intervals. Clean grease
zerks thoroughly before greasing. See engine
manual for engine service. FIG - 17
Tire pressure
Check every 25 hours. All four tires require 15
psi.
Caster Wheels
Check every 200 hours. Lift front of unit off of
ground so caster wheels can rotate freely.
Tighten caster bolt then back off 1/2 turn. Check
that wheel rotates freely. If wheel does not rotate
freely back the caster bolt off in 1/4 turn incre-
ments until wheel rotates freely.
Fuel filter
Replace every 500 hours or annually. In ex-
tremely dirty conditions replacement may need
to be at shorter intervals.
SERVICE DECAL
FIG - 17
Winter storage
To prepare the machine for storage. Clean the
machine, especially under the deck. Touch-up
the paint or spray the underside of deck with a
light coat of oil.
Inspect the machine for damage and loose
hardware.
Change the oil.
Drain the fuel system or add stabilizer to fuel.
Make sure to run the machine after to circulate
stabilizer throughout system.
Remove the plugs and add 1 tablespoon of oil in
each cylinder. Install plugs and crank the engine
two or three revolutions.
Grease all zerks.
Remove battery and store inside and protect it
from freezing temperatures.