Exmark Quest SP Models 850 - Manual (Page 33)

Maintenance
Figure 21
1. Engine 2. Expansion tank
Check Tire Pressures
Service Interval: Every 25 hours
1. Stop engine, wait for all moving parts to stop, and
remove key. Engage parking brake.
2. Check tire pressure in drive tires.
3. Inflate drive tires to 13 psi (90 kPa).
4. Check tire pressure in caster tires.
5. Inflate caster tires to 13 psi (90 kPa).
Check Condition Of Belts
Service Interval: Every 25 hours
1. Stop engine, wait for all moving parts to stop, and
remove key. Engage parking brake.
2. Remove left and right belt shields on deck to
inspect deck drive belt.
3. Check under machine to inspect the pump drive
belt.
Note: No adjustments are required for belt
tension.
Lubricate Grease Fittings
1. Stop engine, wait for all moving parts to stop, and
remove key. Engage parking brake.
2. Lubricate fittings with one to two pumps of
NGLI grade #2 multi-purpose gun grease.
Check Spark Plugs
Service Interval: Every 200 hours
Remove spark plugs, check condition and reset gaps,
or replace with new plugs. See Engine Owner’s
Manual.
Change Fuel Filter
Service Interval: Every 100 hours
A fuel filter is installed between the fuel tank and the
engine. Replace when necessary.
Replacement Filters
Briggs & Stratton Briggs & Stratton
P/N 691035
Kawasaki Kawasaki
P/N 49019-7005
Note: It is important to reinstall the fuel line hoses
and secure with plastic ties the same as they were
originally installed at the factory to keep the fuel line
away from components that could cause fuel line
damage.
Change Hydraulic System
Filter and Fluid
Service Interval: After the first 100 hours
Every 500 hours thereafter
(Every 250 hours if using
Mobil 1 15W50)
1. Stop engine, wait for all moving parts to stop, and
allow engine to cool. Remove key and engage
parking brake.
2. Locate the two filters under the transmissions.
Remove filter guards.
3. Carefully clean area around filters. It is important
that no dirt or contamination enter hydraulic
system.
4. Unscrew filters to remove and allow oil to drain
from drive system.
Important: Before reinstalling new filters,
apply a thin coat of Exmark Premium Hydro
oil on the surface of the filters rubber seal.
Turn the filters clockwise until rubber seal
contacts the filter adapter then tighten the filter
an additional 3/4 to 1 full turn.
5. Remove the vent plug on each transmission and
fill through expansion reservoir, when oil comes
out of vent reinstall plug.
Exmark Premium Hydro Oil is recommended.
Refer to the chart for an acceptable alternative:
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