Yuchai U35, Operator'S Manual

Page: 150 / 157

6-4
Assembly/disassembly steps of accessories
1. Disassembly steps
1) Put the accessories on the ground and turn
off the engine.
2) Turn the start switch to the ON position and
push the left control box to the free position.
3) Operate each working device joystick and
accessory control pedal 2 to 3 times forward,
backward, left and right full stroke to eliminate
the internal pressure in the hydraulic oil circuit.
4) After confirming that the oil temperature has
decreased, lock the rotary valves connected to
the inlet and outlet pipes on the stick side.
5) Remove the hose on the accessory side,
put the plug on the combined washer and
tighten it to the two outlets.
6) Remove the accessories by removing the
pins (2). Then install the bucket.
7) Wrap the unconnected ends of the two
rubber tubes of the hydraulic hammer with a
clean plastic bag, and dust-proof measures
shall be taken. Keep well the accessories.
2. Assembly steps
1) Remove the bucket.
2) Put the accessory on a flat place, and
connect the stick and the hydraulic hammer
and the connecting rod and the hydraulic
hammer with pin A and pin B in turn.
3) After confirming that the oil temperature has
decreased, remove the plugs from the outlet
and inlet respectively. Be careful to prevent
dust, dirt, etc. from sticking to the hose port. If
the combination gasket is damaged, replace it
with a new one.
4) Connect the hose on the accessory side.
During connecting, check the flow direction of
the oil, and be careful not to make a wrong
connection.
5) Unlock the rotary valves connected to the
inlet and outlet pipes on the stick side.
6) After installing the accessories, confirm
whether the oil level in the hydraulic oil tank is
proper .
Accessories operation guide
Pin
Pin