Rotary
Mowers
Maintenance
Schedule
HELM WELDING (1983) LIMITED
5Jun15
13
5.
Maintenance
Schedule
The following items are to be checked and, if necessary, corrective action taken. This schedule is
designed for units operating under normal conditions. If the unit is operating in adverse or severe
usage conditions, it may be necessary for the items to be checked and serviced more frequently.
Check & Inspect the Following: 8 Hrs.
25 Hrs.
50 Hrs. 100 Hrs.
PTO
bearings, slides & crosses –
lube
X*
Disassemble PTO shaft - wash
and lube steel tubes
X
Disassemble PTO slip clutch –
clean plates and check wear
X
Blade bolts
– check tightness
X
Gearbox Oil Level
X
Tail Wheel Lubrication
X*
Gearbox – drain & refill
X
†
*In severe conditions these items may require more frequent service.
†
Drain & Refill after the first 100 hours.
Off
Season
During the off season, when the mower is not to be used for a prolonged period of time, it is
recommended that the bearings are filled with grease and the PTO is well greased as well.
Lubrication
Specifications
Bearings
Splined Drive Line Yokes
Shear Bolt Yokes
PTO Shaft………
NLGl #2 or #3 Lithium Base Grease
Gearbox ………………………….40/50 or 80/90 Gear oil
