a)Stop engine, wait for all moving parts to stop, and remove key. Check air pressure in tires; recommended tire pressure is: rear, 12-16 psi; front casters, 15-17 psi.

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.

Note: Front caster tires have permanent tire sealant installed.

5.1.13Inspect Belt wear. Service Interval: 40 hrs.

a)Stop engine, wait for all moving parts to stop, and remove key.

b)Remove the three mower deck belt shields to check mower primary and secondary 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.

5.1.14Lubrication

a)Stop engine, wait for all moving parts to stop, and remove key.

b)Lubricate fittings with one to two pumps of NGLI grade #2 multi-purpose gun grease.

Refer to the following chart for fitting locations and lubrication schedule.

LUBRICATION CHART

 

FITTING

INITIAL

No. of

SERVICE

 

LOCATIONS

PUMPS

PLACES

INTERVAL

1.

Caster Wheel Bearings

*0

2

*Yearly

2.

Caster Pivots

*0

2

*Yearly

3.

Idler Pivots (Mower Deck)

1

2

Weekly

4.

Idler Pivot (Pump Drive)

2

1

Weekly

5.

Hydro Control Arm Support Bushings

2

2

Weekly

See 5.1.14 Section c) for special lubrication instructions on the front caster pivots and Section 5.1.15 for special lubrication instructions on the front caster wheel hubs.

No. 4 (Idler Pivot (Pump Drive))

Located Under Engine Deck

No. 3 & 4 (Idler Pivots) Disassemble and grease once a month under a “No Load” condition.

c)Lubricate front caster pivots once a year. Remove hex plug and cap. Thread grease zerk in hole and pump with grease until it oozes out around top bearing. Remove grease zerk and thread plug back in. Place cap back on.

5.1.15Lubricate caster wheel hubs:

Service Interval: Once Yearly

a)Stop engine, wait for all moving parts to stop, and remove key.

- 25 -

Page 30
Image 30
Exmark TT23KAC, TT23KCC, TT20KCC manual Lubrication Chart, Locations Pumps Places Interval