5-66
MAINTENANCE
EVERY 4000 HOURS
4. Hold the hose fitting (A) in place with a
wrench and slowly loosen the hose nut (1).
5. Slowly move the boom in the “Boom
lower” direction a little until there are no
more air bubbles coming from the hose
nut (1) joint.
6. Hold the hose fitting (A) in place with a
wrench and tighten the hose nut (1).
• Emergency shut-off valve
This operation is dangerous and requires
experience. Ask your sales or service dealer
for help.
If air is not released, the working equipment
could become slow in reacting to the
operation of the operator and show
unexpected behavior.
When removing plugs or screws, or when
disconnecting hoses, stand to the side
and loosen them slowly to gradually
release the internal pressure before
removing.
1. Place a pan under the hose (A) or (B) to
catch the waste oil.
2. Start the engine and run it at low idle.
3. Fully lower the safety lock lever to the
unlock position.
Boom
• Cylinders
1. Start the engine, let it run at a low-idling
speed for 10 minutes.
2. Maintain the engine at low idle, and then
slowly extend and retract each cylinder 4
or 5 times, without letting them reach the
stroke end.
3. While running the engine at high speed,
slowly extend and retract each cylinder 4
or 5 times, without letting them reach the
stroke end.
4. Return the engine speed to low idle, and
then slowly extend and retract each
cylinder 4 or 5 times to the stroke end.
Summary of Contents for 190100003
Page 1: ......
Page 11: ...1 1 SAFETY...
Page 50: ...1 40 SAFETY SAFETY SIGNS DECALS...
Page 51: ...1 41 SAFETY SAFETY SIGNS DECALS...
Page 52: ...1 42 SAFETY SAFETY SIGNS DECALS...
Page 53: ...2 1 CONTROLS...
Page 77: ...2 25 MEMO...
Page 126: ...2 74...
Page 127: ...3 1 OPERATION...
Page 155: ...3 29 MEMO...
Page 158: ...3 32...
Page 159: ...4 1 TRANSPORT...
Page 163: ...4 5 TRANSPORT Hoisting posture HOISTING THE MACHINE...
Page 166: ...4 8...
Page 167: ...5 1 MAINTENANCE...
Page 217: ...5 51 MEMO...
Page 229: ...5 63 MEMO...
Page 235: ...5 69 MEMO...
Page 246: ...5 80...
Page 247: ...6 1 TROUBLESHOOTING...
Page 255: ...6 9 MEMO...
Page 271: ...7 1 SPECIFICATIONS...
Page 278: ...7 8 SPECIFICATIONS OPERATING RANGES OPERATING RANGES...
Page 280: ...7 10 MEMO...
Page 282: ...7 12 SPECIFICATIONS 2 Piece boom LIFTING CAPACITIES...
Page 283: ...7 13 SPECIFICATIONS 2 Piece boom LIFTING CAPACITIES...
Page 284: ...7 14 SPECIFICATIONS Mono boom LIFTING CAPACITIES...
Page 285: ...7 15 SPECIFICATIONS Mono boom LIFTING CAPACITIES...
Page 286: ...7 16...
Page 287: ...8 1 OPTIONS...
Page 303: ...8 17...