Exmark Frontrunner 4500-497 - Manual (Page 31)

Maintenance
Replacement Filters
Kohler Kohler
P/N 2405010–15 Micron
Briggs & Stratton Briggs & Stratton
P/N 695327– 30 Micron
Change Hydraulic System
Filter
Service Interval: After the first 250 hours
Every 500 hours/Yearly
(whichever comes
first) thereafter
(Every 250 hours/Yearly if
using Mobil 1 15W50)
Note: Use only Exmark Part No. 103-2146.
1. Stop engine, wait for all moving parts to stop, and
remove key. Engage parking brake.
2. Carefully clean area around filter. It is important
that no dirt or contamination enter hydraulic
system.
3. Unscrew filter to remove and allow oil to drain
from reservoir.
Important: Before reinstalling new filter, fill
it with Exmark Premium Hydro oil and apply
a thin coat of oil on the surface of the rubber
seal.
Turn filter clockwise until rubber seal contacts the
filter adapter, then tighten the filter an additional
2/3 to 3/4 turn.
4. Fill reservoir as stated in Check Hydraulic Oil
Level section.
Exmark Premium Hydro Oil is recommended.
Refer to the chart for an acceptable alternative:
Hydro Oil Change Interval
Exmark Premium Hydro
Oil (Preferred) 500 Hours
Mobil 1 15W50 250 Hours
5. Raise the rear of machine up and support with
jack stands (or equivalent support) just high
enough to allow drive wheels to turn freely.
CAUTION
Raising the mower for service or maintenance
relying solely on mechanical or hydraulic
jacks could be dangerous. The mechanical or
hydraulic jacks may not be enough support
or may malfunction allowing the unit to fall,
which could cause injury.
Do Not rely solely on mechanical or hydraulic
jacks for support. Use adequate jack stands
or equivalent support
6. Start engine and move throttle control ahead to
full throttle position. Move the speed control
levers to the full speed and run for several
minutes. Shut down machine and recheck oil
level.
Note: Do Not change hydraulic system oil (except
for what can be drained when changing filter), unless
it is felt the oil has been contaminated or been
extremely hot.
Changing oil unnecessarily could damage hydraulic
system by introducing contaminates into the system.
Check Wheel Hub Locknuts
Service Interval: After the first 100 hours
Every 500 hours thereafter
When tightening the lock nut on the wheel motor
tapered shaft:
Torque to 210-250 ft-lb (285-339 N-m).
Note: Do Not use antiseize on wheel hub.
Fuel Tank — Mounting
Hardware Specifications
Service Interval: As required
When installing the nuts on the fuel tank studs, fully
tighten the nyloc nut and back off 1/2 turn. This
allows for normal fuel tank expansion and contraction
with changes in temperature and fuel levels.
Thread Locking Adhesives
Thread locking adhesives such as “Loctite 242”
or “Fel-Pro, Pro-Lock Nut Type” are used on the
following fasteners:
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