Doosan 12/154, Operation & Maintenance Manual

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70 MAINTENANCE
12/154
Replacement of the cable
To be carried out ONLY by skilled service personnel.
Disassembly
Remove the lock spring (8). Turn the handle (5) until halfway up the
slot (See View A). Move the handbrake lever (49) to the front. Drill out
the blind rivets (13) and shields (15) and (14). Unscrew the nut (20)
from the cable (See View C), then pull the cable from the cable bracket.
remove the hexagonal nut (19) and pins (16) and (18). Pull the cable
out of the transmission lever (17). Knock out the pin (6) using a
hammer and remove the winding handle (5). Pull out the adaptor (7).
Unscrew the bolt (11) and remove the disc (10) with the seal ring (9).
Secure the overrun head against falling off – injury risk!!!
Knock out the pin (12) with a hammer and bronze bar. Lift off the top
middle part and
secure it against falling off – injury risk!!!
Remove the SL-clip (24) and the disc (25) and pull out the pin (26).
Unscrew the clevis (23) and hexagonal nuts (22) and (21). Pull out the
cable and replace it.
Assembly
Before mounting, all the new and removed parts must be lubri-
cated in accordance with regulation SK70003
. Push the new cable
through the cable bracket into the drawbar, screw in the hexagonal
nut (21) and fasten it with a tightening moment of 30 ± 2Nm.
Screw the hexagonal nut (22) and the clevis (23) onto the cable and
adjust it in accordance with regulation SK70008 . Put the pin (26)
through the balance lever (76) and the clevis (23) and lock it with the
disc (25) and the SL-clip (24). Insert the cable into the slot in the spindle
top part (See View B) and mount it with the transmission lever (17).
Mount the transmisson lever (17) into the overrun head and secure it
with pins (16) and (18). Spread the pin (18) with liquid high strength
thread locker and fasten it with a tightening moment of 30 ± 2Nm.