Instruction Manual

38
Caterpillar: Non-Confidential
fixing nuts of diesel engine, gear box, bolts
at front and rear axle articulation. If needed
tighten them.
2. Check whether the tightness of fan belt,
engine belt and AC compressor belt is
proper.
3. Check oil levels of the transmission,
drive axle, and the diesel engine.
4. Check the sealing condition of the
hydraulic and brake systems.
5. Check the connecting condition of
every control lever and throttle parts.
6. Check the temperatures and
connecting condition of every electric
system, states of electric supply from
generator, lamps, lightening and steering
signals.
Attention: When checking the oil level,
comply with certain operation rules.
After the Break-in
1. Check the tightening conditions of
bolts and nuts, especially the bolts of
diesel engine cylinder head, exhaust pipe
and front, rear axles, nuts for rims,
connecting bolts of driving shafts and fixing
nuts of diesel engine, gear box, bolts at
front and rear axle articulation.
2. Check whether or not the tightness of
fan belt, engine belt and AC compressor
belt is proper.
3. Check the sealing condition of the
hydraulic and brake systems.
4. Replace the hydraulic oil in gearbox,
lubrication in drive axle.
5. Replace the filter for gearbox, engine
oil, and replace the filter elements for fuel
tank.
6. Clean the return filter elements in
hydraulic tank.
Attention: When replacing the
transmission oil for, lubricant for drive axle
and hydraulic oil for diesel engine, comply
with the specified operation rules.
Machine Operation
Before Starting Engine
1. Check coolant level of engine.
2. Check oil level in engine oil pan.
3. Check the hydraulic oil level.
4. Check the sealing condition in the
water pipe, oil pipe and other parts.
5. Check that there are no loose battery
terminals, and tighten if necessary.
6. Check that the tire pressure is normal.
Starting Engine
1. Check that there are no people or
obstacles in the surrounding area, and
there are no servicemen under the loader.
Except for operator in the cab, do not allow
any person to stand anywhere on the
machine or sit in the cab.
2. Turn on the battery switch.
3. Follow the safety instructions when
stepping on and off the machine.
4. Adjust the side mirror to a position,
which gives the best view from the
operator’s seat, and approaches to the
loader as near as possible.
5. Close the doors of cab.
6. Inspect the safety belt and tightly
secure it.
7. Confirm the machine is in the neutral
gear position; if not, please move the lever
to the neutral gear position.
8. Check whether the control lever is on
the middle position. If not, please pull it to
the middle position.
9. Check whether the fan switch of
air-conditioning system is in " natural fan"
and the changeover switch on "OFF", if not,
please turn it to the correct position.
10. Insert the key and turn it once
clockwise to power up the entire vehicle.
Sound the horn, which means that the
machine will start and other personnel
cannot approach this machine.
11. Check the fuel level in tank.
12. Press accelerator pedal slightly, and
continue to revolve the key clockwise to
the next position to turn on the engine and
start the motor. In the normal condition it
can start in 10 seconds. When the machine
is starting, you should release your hand
and let the starting electric lock return.
Attention: Do not hold the key
continuously for more than 15 seconds.