Exmark Viking Hydro Operator's Manual page 29

For Exmark Mower Parts Call 606-678-9623 or 606-561-4983
5.1.11
5.1.12
5.1.13
No. 4 Idler Pivot (Pump Drive)
Located Under Engine Deck
No. 4 & 6 (Idler Pivots)
Disassemble and grease once a
month under a "No Load" condition.
f) If either drive wheel still does not rotate, stop and repeat steps (d) through
(e) above for the respective pump. If wheels rotate slowly, the system may
prime after additional running. Check oil level as stated in Section 5.1.8.
g) Allow unit to run several minutes after the charge pumps are "primed" with
drive system in the full speed position. Check oil level as stated in Section
5.1.8.
h) Check hydro drive linkage adjustment as stated in Section 5.2.10.
Check tire pressures.
Service Interval: Pneumatic (air-filled) Drive Tires – 40 hrs.
Semi-pneumatic Caster Tires – No Maintenance
a) Stop engine and wait for all moving parts to stop. Remove key or spark
plug wire(s). Check air pressure in drive tires; recommended tire pressure
is: 12 to 14 psi (83-97 kPa).
b) Inflate tires to pressures stated above. Measure circumference of each
drive tire. Adjust tire pressures within the above range to try to make tire
circumferences match as closely as possible.
Inspect Belt wear.
Service Interval: 40 hrs.
a) Stop engine and wait for all moving parts to stop. Remove key or spark
plug wire(s).
b) Remove mower deck belt shield to check mower blade drive belt condition.
c) Look under engine deck to check the pump drive belt condition.
d) Check all idler arms to be sure they pivot freely. Disassemble, clean and
grease pivot bushings if necessary.
Lubrication
Service Interval: Refer to Chart.
a) Stop engine and wait for all moving parts to stop. Remove key or spark
plug wire(s).
b) Lubricate fittings with one to two pumps of NGLI grade no.2 multi-purpose
gun grease.
Refer to the following chart for fitting locations and lubrication schedule.
GREASE LUBRICATION CHART
FITTING
LOCATIONS
1. Caster Wheel Bearings
2. Caster Pivots
3. PTO Engagement Bellcrank
4. Pump Drive Idler Pivot
5. Pump Control Bearings
6. Mower Deck Idler Pivot
www.mymowerparts.com
INITIAL
NO. of
PUMPS
PLACES
12 2
2 2
1 1
2 1
2 2
2 1
- 24 -
SERVICE
INTERVAL
Daily
Daily
Monthly
Weekly
Weekly
Weekly