Check Tilt Mechanism Fulcrum Bolts For Looseness - Hitachi ZX27U-2 Operator's Manual

CHECK TILT MECHANISM FULCRUM BOLTS
FOR LOOSENESS
1. Check tilt mechanism fulcrum pin nut (1) for loose-
ness every 250 hours. In case nut (1) is found loose,
remove the operator's seat access cover on the right
side. Then, retighten nut (1) to 49 N
lbf ft).
⋅
2. Tilt the cab floor forward. Support the floor with a fall
prevention bar. Retighten arrowed bolts (3, 4, and 5).
(3) Tightening torque: 9.8 N
(4) Tightening torque: 49 N
(5) Tightening torque: 49 N
MAINTENANCE
m (5.0 kgf m, 36
⋅ ⋅
M1M7-07-079
1
m (1.0 kgf m, 7 lbf ft)
⋅ ⋅ ⋅
m (5.0 kgf m, 36 lbf ft)
⋅ ⋅ ⋅
m (5.0 kgf m, 36 lbf ft)
⋅ ⋅ ⋅
4
5
ZX27U , ZX30U
-2
7-71
3
, ZX35U
ZX40U
-2 -2
M1M7-07-080
1
M1M7-07-074
M1MW-07-031
3 4
5
, ZX50U
-2 -2
M1MH-07-014