Operation Manual
© 2014-2015 Minuteman International, Inc.
Armadillo 9X Sweeper #4100033 Rev. D 07/15
Page 58
COOLANT SYSTEM
Blowing Out Radiator Fins
NOTE: Make sure radiator is cool before blowing
out the radiator ns with compressed air.
Reverse Flow Flushing
1. At the engine, disconnect the hoses.
2. Make sure the radiator cap is on tight.
3. Using a hose clamp, attach a ushing gun onto
the lower hose.
4. Turn on the water and ll the radiator.
5. To keep from damaging the radiator, apply air
pressure slowly and carefully.
6. Shut off the air pressure, rell the radiator with
water, and reapply the air pressure. You will
need to repeat these steps until water ushed
from the radiator runs out clear.
7. Inspect and clean the radiator cap.
8. Inspect and reconnect the hoses.
9. Rell the radiator with coolant.
NOTE: Use a 50/50 mixture of water and an anti-
freeze with an ethylene glycol base.
LUBRICATION
For all engine fuel types: Use a current API (American
Petroleum Institute) Oil Service Classication that is
suited to seasonal temperatures.
Refer to the Engine Manufacturer’s Operator Manual
for these specications.
Changing Engine Oil
1. Place a drain pan under the lowest end of the
engine.
2. Remove the drain plug and allow the oil to drain
into the pan.
3. Remove the used oil lter and replace with a
new one.
4. Dispose of the oil and oil lter in an approved
manner.
5. Remove the engine oil cap, add oil in the
amounts listed in the engine manual, then
secure the cap.
PREVENTATIVE MAINTENANCE