Hydraulic Quick Coupling For Standard Bucket - Komatsu WB93S-5 F50003 Operation & Maintenance Manual

FRONT EQUIPMENT QUICK COUPLING DEVICES
6.2.2 HYDRAULIC QUICK COUPLING FOR
STANDARD BUCKET
The operations to be performed are those described in the
previous paragraph (see "6.2.1 MANUAL QUICK COUPLING"),
except for the backward movement and the engagement of the
coupling pins, which are obtained by means of the push buttons
(9) and (10) located on the lever (3).
(See "3.3.6 pos.
BUTTON" and pos.
BUTTON").
6.2.3 HYDRAULIC QUICK COUPLING FOR
4in1 BUCKET AND OPTIONAL
EQUIPMENT WITH UNIDIRECTIONAL
OIL FLOW
Before carrying out any operation on the hydraulic circuit,
q
stop the engine and eliminate the residual pressure by
proceeding as follows:
1 - Turn the ignition key to position « ».
2 - Press the servo control locking button and make sure
that the LED is off (release position) (see "3.3.2 pos. 12
- SERVO CONTROL LOCKING BUTTON").
3 - Operate the loader arm control lever and the 4in1
bucket opening and folding buttons more than once.
4 - Turn the ignition key to position « »).
If any oil has been spilled, wipe it up immediately, in order
q
to prevent the surface from getting slippery.
The 4 in1 bucket and the hydraulic equipment that can be
installed on the machine must be provided with quick coupling
devices.
In this case, the backward movement and the engagement of the
coupling pins are obtained by connecting the quick couplings (11-
12) of the 4in1 bucket (or other equipment) delivery and drain
pipes to the quick coupling unit, with the engine at rest.
248
12 - 4 IN1 BUCKET OPENING PUSH
13 - 4 IN1 BUCKET FOLDING PUSH
WARNING
10
9
11
12
3
RKAB4590
RKA14310
RWA01960
RWA02000