M A E D A Mini-Crawler Crane Section 4 –
AUXILIARY WINCH - HOW TO INSTALL AND DETACH BOOM HEAD
1/2019 MC285C-3 4-137
6. Fix plate (9) to boom head with plain washer
(10) and U nut (1). Then connect plate (9),
protective rope (12) and protect weight (14)
using shackle (13).
Fig. 4-365
7. Take out wedge socket (16) for wire rope for
auxiliary winch unit (15).
See “Dismantling wedge socket” on page
4-136 and dismantle wedge socket.
Fig. 4-366
8. Shift the manual shift valve (17) from regular
side to auxiliary winch side.
Fig. 4-367
NOTICE: If valve is not shifted, main winch
activates causing random winding.
9. Hold wire rope end and operate hook lowering.
Holding with hand, pass the running rope
through snap sheave bracket (18) of No.1
boom, idler bracket (19) of No.3 boom, (20)
and (21) of boom head.
Fig. 4-368
NOTICE: Before passing the wire rope through
above mentioned parts, run the wire rope out for
about the length necessary for passing through
those parts.
Pulling by hand, run out the wire rope to keep
tension and avoid random winding.
10. See “Assembling wedge socket” on page
4-136 and fix the wedge socket (16) to the
wire rope.
Fig. 4-369
To Next Page
