Maintenance - Honda HP311 User Manual

MAINTENANCE

MAINTENANCE

A proper maintenance and lubrication will help the machine in a perfect
working condition.
Preventive maintenance
Turn off engine and disengage all command levers. Engine must be cool.
Inspect the general condition of the unit. Check for loose screws,
misalignment or binding of moving parts, cracked or broken parts, and
any other condition that may affect its safe operation.
Remove all debris and other materials that may have accumulated to the
track and unit. Clean after each use. Then use a premium quality
lightweight machine oil to lubricate all moving parts.
Never use a "pressure washer" to clean your unit.
Water can penetrate tight areas of the machine and its
transmission case and cause damage to spindles,
gears, bearings, or the engine. The use of pressure
washers will result in shortened life and reduce
Serviceability.
Adjusting clutch
As clutch wears out, the same lever could have a wider opening, being
so uneasy to use. This means that it is necessary to adjust the cable,
setting clutch lever on its original position acting on the adjustment
device and on counter-nut.
Adjusting steering
If you have difficulty steering the unit, you will need to adjust the steering
levers with the special adjusters.Slacken off the locknut and unscrew the
adjusters to eliminate the play in the cable, which can occur after initial
use or normal wear. Be very careful not to unscrew the adjusters too
much because this can create another problem: the loss of traction.
Remember to tighten the locknut when you have finished.
Lubrication
The gearbox is pre-lubricated and sealed at the factory.
Check oil level every 50 hours of working. Remove the plug and check,
with machine horizontal, oil reaches the two notches. If necessary, add
the oil.
Use oil for gearbox, type 80W90.
Oil must be replaced when hot by unscrewing filler cap and plug
equipped with an oil dipstick. When oil is completely drained, replace
filler cap and fill up with new oil.
Tightening tracks
With use, tracks tend to loosen. When operating with loose tracks, they
tend to slip over the driving wheel causing it to jump its housing or to
work in precarious situation, thus damaging wear to the housing.
To check track tightness, proceed as follows:
1. Set the machine on a flat surface with compact ground, better on an
asphalt or stone pavement.
2. Lift the machine and set it on blocks or supports rated for the weight
of the machine so that the tracks are approximately 100mm off the
ground.
3. Measure the track midline vs. the horizontal line. The reading must
not be more than 10-15mm.
If the distance is greater, proceed as follows:
1. Use the tipping handle to tip the dump box and set it on blocks or
supports rated for the weight of the box.
2. Loosen lock nut A.
3. Tighten bolt B until the correct tightness is restored.
4. Secure bolt B by tightening lock nut A thoroughly.
5. Return the dump box to its original position.
The adjustment of the track and the brakes are linked,
therefore be very careful because if the track is over-
tightened, the braking effect will be lost.
If the adjustment bolt has no more adjustment left,
the tracks may have to be replaced.
Replacing tracks
Check the condition of the tracks periodically. If any track is cracked or
frayed, it should be replaced as soon as convenient.
1. Loosen the locknut A and bolt B shown in above figure to let the
tracks loose enough.
2. Slip the old tracks off and install the new tracks.
3. Adjust Bolt B to assure correct tightness.
4. Secure bolt B by tightening locknut A thoroughly.
When removing or installing the tracks, be careful not
to get your fingers caught between the track and pulley.
Engine maintenance
Refer to the Engine Manual included in your unit for the information on
engine maintenance. Your engine manual provides detailed information
and a maintenance schedule for performing the tasks.
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