Center Swivel Joint - Komatsu PC600LC-7 Manual

STRUCTURE, FUNCTION AND MAINTENANCE STANDARD

CENTER SWIVEL JOINT

1. Cover A1. From control valve port A5R
2. Body A2. To R.H. travel motor port PB
3. Slipper seal B1. From control valve port A1L
4. O-ring B2. To L.H. travel motor port PA
5. Shaft C1. From control valve port B5R
C2. To R.H. travel motor port PA
No. Check item
Clearance between rotor and
6
shaft
10-92
D1. From control valve port B1L
D2. To L.H. travel motor port PB
E1. From travel speed EPC valve
E2. To L.H. and R.H. travel motors port P
T1. To tank
T2. From L.H. and R.H. travel motors port T
Standard size Standard clearance
90 0.056 – 0.105
CENTER SWIVEL JOINT
Criteria
Clearance limit
0.111
Unit: mm
Remedy
Replace
PC600, 600LC-7