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OPERATING AND MAINTENANCE MANUAL FOR TIER 4 SNOW
BLOWER MODELS: RPM215, RPM217, RPM220/36R, RPM40R,
RPM48R/52R AND HS300
1.3.3
Engine Warm Up
Run the engine at idle speed for about five minutes, then, engage the clutch and run for another five
minutes at idle to warm up the gearbox and the chain case. It is good practice to operate at lighter loads
and lower speed for the first twenty or thirty minutes.
As per engine manufacturer requirements, engine will automatically shutdown if it's idling for more
Note:
then 30 minutes.
1.3.4
Operating Instructions
When you reach the work area, STOP, HONK and take a good look to plan where you will place the
snow. Check for wind direction, vehicles, personnel, and buildings or for any obstruction that must be
avoided. Snow must always be blown to a safe area.
For maximum throwing distance, blow directly through the casing outlet, keeping the lowest practical
angle, about 45, left or right. When in confined areas, truck loading or in other circumstances where
complete control is needed, use the spot-casting chute.
When blowing snow, always operate at full throttle. Recommended operation range is between 1800
rpm and 2000 rpm. A sudden engine revolution drops momentarily into the 1600 rpm range is not critical.
The throwing distance will then be reduced, and the chute will be more prone to plugging. Prolonged
operation at low rpm may also cause over-heating and premature wear of mechanical parts.
To remove drifts of hard packed snow and ice, NEVER ram the snowbank at high speed and force the
blower head into the snow. At a steady pace, gradually ease into the snow allowing the cutters and
augers to do their job. Should your progress forward cease, gently lift the snow blower an inch or two.
As the machine advances into the bank, gradually lower the snow blower again. This procedure should
be done on the move and may have to be repeated depending on snow conditions. It is also helpful to
operate the steering vanes to help break up the snowbank.
The traction effort of the carrier is a major factor in moving through dense consolidated material. Tire
chains, no-spin differentials, and proper counterweighting of the loader are all helpful when operating
under these conditions. To work with extremely hard material, it is often necessary to raise the snow
blower up as you move forward. That is to steadily raise the snow blower as the loader advances, cutting
an incline from the base to the top of the bank. Once the loader's front wheels reach the incline, back
up, place the box at the beginning of the ramp and repeat the whole procedure until an initial path has
been cut through the drift. At this point, it is a simple matter to widen the cut by shearing off a partial
box with the help of the steering vanes.
If the snow removal operation is done with loading trucks, the truck should be located slightly ahead of
the blower and moving forward at the same speed. Truck loading is best accomplished by evenly
loading downward into the dump box. Do not use the sides or front as a shooting board. This method
aerates the snow, thus reducing compacting and ultimately resulting in a lighter load aboard the truck.
In urban areas, you would be well advised to have a ground-man on the lookout for people, pets or any
S00-OME-T4 rev 7
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