Exmark Vikingtm Hydro 4500-355 - Manual (Page 24)

Maintenance
Lubricate Grease Fittings
Note: See chart for service intervals.
1. Stop engine, wait for all moving parts to stop, and
remove key. Engage parking brake.
2. Lubricate fittings with NGLI grade #2
multi-purpose gun grease.
Refer to the following chart for fitting locations
and lubrication schedule.
Lubrication Chart
Fitting
Locations
Initial
Pumps
Number of
Places
Service
Interval
1. Caster Wheel
Bearings 12 2 Daily
2. Caster Pivots 2 2 Daily
3. PTO
Engagement
Bellcrank
1 1 Monthly
4. Pump Drive
Idler Pivot 2 1 40 hours
5. Pump
Control
Bearings 2 2 40 hours
6. Mower Deck
Idler Pivots 2 1 40 hours
Number 4 Idler Pivot (Pump Drive) Located
under engine deck
Number 4 and 6 (Idler Pivots) Disassemble and grease
once a month under a “No Load” condition.
3. Lubricate pivot points with a spray penetrating
lubricant as shown in the Spray Lubricant Chart.
Spray Lubricant Chart
Spray Lubricant Chart (cont'd.)
Pivot Point Number of Places Service Interval
1. PTO Engagement
Upper Bellcrank 1 40 hours
Check Spark Plugs
Service Interval: Every 160 hours
Remove spark plugs, check condition and reset gaps,
or replace with new plugs. See Engine Owner’s
Manual.
Change Fuel Filter
Service Interval: As required
A fuel filter is installed in the fuel line between the
fuel tank and the engine. Replace when necessary.
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. 109–4180 for
Summer use above 32°F (0°C) or P/N 1-523541 for
Winter use below 32°F (0°C) (Refer to Transmission
section in Specifications for filter specifications).
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.
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