Hitachi ZX27U-2 Operator's Manual page 195

5. Securely install the canopy or cab with three bolts (3).
Wrench size: 19 mm
Tightening torque: 90 N⋅m (9.2 kgf⋅m, 67 lbf⋅ft)
CAUTION: Unless bolts (3) are tightened to the
specification, the machine will not meet the
standard of the Roll-Over Protective Structure
(ROPS).
MAINTENANCE
7-75
3
Canopy
3
Cab
M1M7-07-063
M1M7-07-064