Kubota U48-4 and U55-4 Excavator Cabin Remove and Mounting

This instruction show you guide on how to remove and mounting cabin for Kubota U48-4 and U55-5 excavator.

 

Preparations:

2022 Kubota Takeuchi Diagmaster v22.08.01 v4.1.2 Software Free Download
Kubota DST-i Diagnostic Adapter

Kubota EPC Spare Parts Catalogue 2021.06 Download

 

Steps:

1 Put the bucket on the ground, stop the engine, and slide the seat forward of the machine.
2 Remove the cover (1), (2), (3) and the filter (4).

(1) Cover
(2) Cover
(3) Cover
(4) Filter

 

3 Disconnect the harness for cabin and the coupler connecting the main harness.
4 Remove the cover (1).

(1) Cover
(2) Main harness coupler
(3) Harness coupler for cabin

 

5 Remove the air duct (1) and (2).

(1) Air duct (2) Air duct

 

6 Remove the floor mat and the two nuts (1) at the front of the machine to attach the cabin.

(1) Nut

Tightening torque

Nut (1)

107 to 127.4 N·m 11.0 to 13.0 kgf·m 79.69 to 92.6 lbf·ft

 

7 Remove the two nuts (1) at the rear of the machine to attach the cabin.

Tightening torque

Nut (1)

107 to 127.4 N·m 11.0 to 13.0 kgf·m 79.69 to 92.6 lbf·ft

Tightening torque

Stud (front) (6) Stud (rear) (7)

78 to 127 N·m 8.0 to 13.0 kgf·m 58 to 94 lbf·ft

Spread the screw fixation medicine (Loctite 271).

(1) Nut
(2) Washer
(3) Shock absorber rubber
(cabin, upper)
(4) Shock absorber rubber
(cabin, lower)
(5) collar
(6) Stud (front)
(7) Stud (rear)
(A) Two points at the front of the
machine
(B) Two points at the rear of the
machine

 

8 Hook the nylon sling at the top of the cabin and hold it.

9 Lift the cabin gently and remove it.

Cabin mass

approx. 230 kg / 507 lbs.

 

More repair case for Kubota,please refer to:Kubota Trouble Repair