Komatsu PC45MR-30403, Operation And Maintenance Manual

Page: 211 / 475

METHOD FOR CHECKING FLOOR TILT FIXING BOLT: CAB SPEC
1.
Pull the engine rear cover (1) backward to open it.
Open the engine rear cover (1) fully and it is secured by
rod (2).
2.
Check that the floor tilt fixing bolts (3) (M14, 4 pieces) are
tightened securely.
3.
If the floor frame rattles up and down or has a clearance
(a) (it is 0 mm normally), check the floor tilt fixing bolts (3).
If any of the floor tilt fixing bolts (3) is loosened, tighten it.
Tightening torque:
156.8 to 196.0 Nm {16.0 to 20.0 kgm, 116 to 145 lbft}
REMARK
If any of the floor tilt fixing bolts is damaged, replace it with
a Komatsu genuine part of the same size.
4.
If it is loosened, retighten the bolts (2 places) in the trian-
gle cover at the left side of the machine as well.
For the procedure of retightening, see “METHOD FOR
CLOSING FLOOR UNIT: CAB SPEC”.
5.
Close the engine rear cover (1).
MACHINE OPERATIONS AND CONTROLS OPERATION
3-150