Removal and Installation of Cab Assembly

Caution ・ Be sure to stop the engine before beginning work. ・ Be sure to inspect the wire rope and other lifting equipment before beginning work. ・ Do not stand or pass under the suspended load.

Items to prepare •Wrenches (13 mm, 19 mm) •Box wrenches (10 mm, 13 mm, 19 mm) •Eyebolts (M24 × 4) •Chains (wire ropes) (with the required breaking load) •Liftcrane (with the required lifting capacity) •Lubricating oil •Rag •Cleaning fluid •Wood planks, etc. 1.Removal of cab assembly [1] Remove the operator's seat. (For details, see "Removal and Installation of Operator's Seat".) [2] Use a box wrench (10 mm) to remove the 4 bolts (1) and another box wrench (13 mm) to remove the 2 bolts (2), and then remove the rear cover (3).

[3] Use a box wrench (10 mm) to remove the 2 bolts (4), and then remove the air conditioner ducts on both sides (5).

[4] Remove the air conditioner ducts (6) and (7) by pulling them forward.

[5] Use a wrench (13 mm) to remove the 4 bolts (8), and then remove the bracket (9).

[6] Remove the air conditioner duct (10).

[7] Remove the radio antenna (11).

[8] Use a wrench (13 mm) to remove the bolts (12) for the ground wire (13) connecting the cab and frame.

[9] Remove the connectors (14) and (15).

[10]Remove the washer fluid hose (16).

[11]Use a wrench (13 mm) to remove the 4 bolts (17) each, and then remove the rear brackets (right and left) (18) and (19).

[12]Remove the 3 butterfly screws (20), and then remove the cover (21).

[13]Remove the 2 butterfly screws (22), and then open the cover (23) of the outside air filter.

[14]Remove the outside air filter (24).

Slide the suction duct connected with the air conditioner unit in the cab from the duct flange and remove it.

[15]Remove the 4 caps (25) from the top of the cab.

[16]Install the 4 eyebolts (M24) (26) in place of the removed caps. •Fully tighten the eyebolts, and then loosen them by a half turn.

[17]Use chains (27) and liftcrane to secure the cab.

[18]Use a Phillips screwdriver to remove the 3 screws (28), and then remove the cover (29).

[19]Use a box wrench (19 mm) or wrench (19 mm) to remove the 7 bolts (30) from the cap.

[20]Use chains (32) and liftcrane to remove the cab (31).

[21]Thoroughly check that the location is safe before lowering the cab on wood planks (33). •Thoroughly secure the cab with the chains and liftcrane so that it does not fall down.

2.Installation of cab assembly

To install, perform the reverse of the removal procedure.

The tightening torque for the cab assembly installation bolts is 157 N•m.