9-6
［
9.3
RELEASING TRAVEL MOTOR BRAKES
Tools
• Chock block: 4 pcs.
• Allen wrench: 1 pc. (10 mm)
• Allen wrench: 1 pc. (8 mm)
• Torque wrench: 150 to 170 N·m (111 to 125 lbf·ft)
• Plastic mallet or soft mallet
• Container for drain oil: 2 pcs. (6 L)
• Lifting eye: 1 pc. (M10: 1.5 x 30 mm)
• Lifting device {100 kg (220.5 lbs) or more}
• Screw seal (for drain plug, level plug, and filler plug)
CHOCKING CRAWLERS
When releasing the brakes of the travel motor and the swing motor, chock the front and rear of the crawlers. See
"LOWERING ATTACHMENT TO GROUND" in Chapter 9 to lower the attachment to the ground. On a slope or soft
ground, the upper structure and the machine may move unintentionally and it is very dangerous.
• Do not damage the cover of the travel motor. Not following this may cause oil leakage.
• Prevent contamination of the removed parts. Intrusion of dust may cause a failure of the machine.
• When installing or removing the parts, be careful not to get your hands caught.
1.
Chock the front and rear of each crawler to prevent the machine from moving before releasing the brakes.
2.
See "LOWERING ATTACHMENT TO GROUND" in Chapter 9 to lower the attachment to the ground.
3.
Turn the starter switch to the "OFF" position and remove the key.
Removing inspection/
filler plug with
Allen wrench of 10 mm
4.
Remove the inspection plug and filler plug from the
travel motor with an Allen wrench.
Container of 6 liters
for drain oil
Removing drain plug
with Allen wrench of
10 mm
5.
Place the container for drain oil under the drain plug
of the travel motor and remove the drain plug from
the travel motor.
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