Swing Motor; Removal And Installation; Disassembly And Assembly; Removal - Komatsu PC09-1 Shop Manual

DISASSEMBLY AND ASSEMBLY

REMOVAL AND INSTALLATION

OF SWING MOTOR ASSEMBLY

REMOVAL

Lower the work equipment to the ground com-
pletely and stop the engine. Then loosen the
oil filler cap slowly to release the remaining
pressure inside the hydraulic tank.
1. Drain hydraulic oil.
Hydraulic oil : 9
2. Open hood (1) and remove floor mat (2).
3. Remove floor plate (3).
4. Remove battery (4).
30-6
5. Disconnect hoses (5) and remove swing motor
assembly (6).
The swing motor may be removed together
with cage (7).
In that case, remove the elbows correspond-
ing to hoses (5), too. (This is to provide for
space when removing and installing the
cage mounting bolts.)
When removing the swing motor together
with the cage, separate cage (7) from gear
(8).

INSTALLATION

• Installation is carried out in the reverse order to
removal.
• Refilling with oil
Refill with hydraulic oil up to the specified level,
the start the engine to have oil circulate through
the piping and check the oil level again.
Hydraulic oil : 9
Pressurize the hydraulic tank, referring to the
section of "PRESSURIZING HYDRAULIC
TANK" in INSPECTION AND ADJUSTMENT.

SWING MOTOR

(EO10-CD)
PC09-1