Check Looseness At Each Of Fastened Areas - Hitachi ZAXIS 450LC-3 Operator's Manual

5

Check Looseness at Each of Fastened Areas

--- every 250 hours
Check tightness of mounting bolts, hose connections and
fittings after first 50 hours then every 250 hours. Tighten to
torque specifications if any are loose.
Torque Specifications for Hose Connections:
Wrench Size
(mm) N•m
19 15 to 20
24 25 to 30
27 30 to 35
MAINTENANCE
Tightening Torque
(kgf•m) (lbf•ft)
(1.5 to 2.0) (10.5 to 14.5)
(2.5 to 3.0) (18.0 to 21.5)
(3.0 to 3.5) (21.5 to 25.5)
7-89
M1J1-07-032
ZX450LC
-3
M1J7-07-025
ZX650LC
-3
M1JB-07-022
ZX850LC
-3