Additional Counterweight Installation Procedure - Hitachi ZAXIS 250LC-7 Operator's Manual

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Additional Counterweight Installation Procedure

Lift up additional counterweight (2) by using a crane. Slowly
lower it onto the mounting holes of counterweight (1).
Apply lubrication oil onto bolts (3) (3 used on ZX300-7, 4 used
on ZX350-7) and install them.
Lower the counterweight and tighten bolts (3).
Wrench size
:
Tightening torque :
Additional Counterweight Weights:
Model
Type
HE15LD
ZX250LC(N)-7
HE18LD
HE15LD
ZX300LC(N)-7
HE18LD
HE15LD
HE18LD
ZX350LC(N)-7
HE20LD
HE22
d
CAUTION: Before tightening bolts, prepare footholds
to support operators.
DISASSEMBLING • ASSEMBLING
46 mm
1950 N·m(195 kgf·m)
Counterweight
0 kg
550 kg
1430 kg
1070kg
4-12
3
2
1
MDCA-SL1-036

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