Service Manual

WORKMAN 3420–LP Maintenance Schedule
Minimum Recommended Maintenance Intervals
Maintenance Procedure
Check Battery Fluid Level
Check Battery Cable Connections
Lubricate All Grease Fittings
 Change Engine Oil and Filter
Inspect Cooling System Hoses
Check Governor Oil Level
 Check Cable Adjustments

Change Air Cleaner Filter
Check Engine RPM (Idle and Full Throttle)

Check Front Wheel Alignment
Inspect Service and Parking Brakes
Inspect Fuel Lines
Replace Fuelock Filter
Replace Spark Plugs and Check Timing

Pack Front Wheel Bearings
 Initial break in at 10 hours
 Initial break in at 50 hours
Replace all Interlock Switches
Flush/Replace Coolant System Fluid
Change Brake Fluid
Replace Engine Timing Belt
Every
50hrs
Every
100hrs
Every
200hrs
Every
400hrs
Every
800hrs
Maintenance Interval & Service
Annual Recommendations:
Replace switches, Coolant and Brake Fluid every
1200 hours or 2 years, whichever occurs first.
years, whichever occurs first.
B Level
Service
C Level
Service
D Level
Service
E Level
Service
A Level
Service
Check Dust Cup and Baffle
Inspect Condition and Wear of Tires
Check Alternator, Governor and Fan Belts
Torque Wheel Lug Nuts
Adjust Valves
Replace Transaxle Filter
Change Transaxle Oil
Clean Transaxle Strainer
Replace Engine Timing Belt every 2000 hours or 2
(See Operator’s and Service Manual for specifications an procedures)
Product Records and Maintenance Page 2
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Rev. D
Workman 3000/4000 Series