POSI-TRACK 2800 & 2810
PAGE 28
ASV, INC.
ENGINE
The engine is ready for normal use; however,
extra care during the first 100 hours will result
in longer engine performance and life. During
the break-in period set the engine at 2400 rpm.
Brief periods of full throttle operation and
variations in engine load also contribute to
good engine break-in.
PLANETARY DRIVES
Each track’s final drive consists of a hydraulic
drive motor, a planetary gearbox and an inter-
nal drive sprocket. The planetary gearbox re-
quires a break-in period for the lug nuts and
for the planetary oil. The 9 lug nuts, which
attach the sprocket to the planetary gearbox,
are torqued to 115 ft.-lbs. at the factory, and
should be re-torqued to 115 ft.-lbs. after 10
hours of operation. (Fig. 34)
The planetary gearbox requires an oil change
at 50 hours. The break-in time allows the
gears in the planetary to properly mesh. This
is a
crucial
oil change since the oil will have a
high metal content. After this initial oil
change, the planetary oil should be changed
every 1,000 hours or annually. (Refer to page
36 for proper planetary oil changing proce-
dure.)
Fig. 34
CAUTION
Failure to change the planetary oil at the
50 hour break-in interval, will drastically
shorten the life of the planetary gear
box. Failure to follow this procedure
will also void the warranty of the plane-
tary gear box.
Lug nuts
GENERAL MAINTENANCE
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