Every 1000 Working Hours Or Annual, Whichever Comes First - Full Service; Every 1000 Working Hours - Gearbox Oil Change; Every 1000 Working Hours - Fan Clutch Inspection - Hardi Mercury Series Instruction Book

Every 1000 working hours or annual, whichever comes first – Full service
Perform a full service on all the parts described previously
Change the gearbox oil.
Dismantle and grease the transmission shaft and joints going through the main tank.
Dismantle the fan clutch and clean/lubricate.

Every 1000 working hours - Gearbox oil change

Change the oil after the first 150 working hours then every 1000 working
hours or once a year - which ever comes first.
Run the mistblower until the gearbox has reached normal operating
temperature before draining the oil.
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ATTENTION! Clean the gearbox and area around filling hole and
drain plug before changing the oil
Fill with Fresh oil until the level reaches the level hole (B). See section "Recommended lubricants" for oil specification.
Capacity: Approximately 1.25 litres
A. For Oil filling
B. Oil Level indicator

Every 1000 working hours - Fan clutch inspection

Every 1000 working hours or once a year the fan clutch is dismantled for inspection, cleaning and lubrication.
1. Remove the fan clutch from the fan using the puller tool (Part No.
289659)
2. Remove the springs (A) and the two wings (B) using a mallet.
3. Polish the two axles (C) of the core with a fine emery cloth to
remove dirt and rust.
4. Also polish the inside hole of the wing (D).
5. Check that the discharge hole in the ferodes (E) is not blocked.
6. Lubricate the axles of the wings and inside the core lightly with oil
before re-assembling.
7. Check that the springs still work properly.
8. Re-assemble in reverse order.
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WARNING! If the clutch is not maintained it may malfunction and cause severe damages to the fan unit!
6 - Maintenance
A
B
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