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Reference
Only
Manitowoc
Published 05-16-17, Control # 233-03
5-9
999 SERVICE/MAINTENANCE MANUAL
HOISTS
5
Maintenance
Inspect and test the block-up limit controls
weekly
or
every
40 hours of operation
, as follows:
Important:
Do not operate crane until cause for improper
operation and all hazardous conditions have been found and
corrected.
1.
Lower the boom onto blocking at ground level and
carefully inspect the following items:
a.
Inspect each limit switch lever and actuating lever
for freedom of movement. Apply one-half shot of
grease to the fitting on the actuating lever. Wipe
away any excess grease.
b.
Inspect each weight for freedom of movement on
the load line.
c.
Inspect each weight, each chain, each shackle and
each connecting pin for excessive or abnormal
wear. Make sure cotter pins for shackles are
installed and spread.
d.
Inspect the entire length of electric cables for
damage.
e.
Check that the electric cables are clear of all moving
parts on the boom and jib and that the cables are
securely fastened to the boom and jib with clips or
nylon straps.
f.
Check that all plugs are securely fastened.
FIGURE 5-6
P1471
P1517
Electric Cable
From Crane
C1
Shorting
Plug
SP1
Electric Cable
From Boom
C2
Electric Cable
From Crane
C1
Boom Butt
Cable Reel
Shorting Plugs
with Closure Caps
(typical)
View C
Universal Boom Top Junction Box
(Junction Boxes on Jib Tops Similar)
Electric Cable from
Block-Up Limit Switch
P1518
View A
Left Front Corner of Rotating Bed
View B
Base of Boom Butt
Содержание 999
Страница 1: ...R e f e r e n c e O n l y Service Maintenance Manual Manitowoc 999 ...
Страница 2: ...R e f e r e n c e O n l y ...
Страница 4: ...R e f e r e n c e O n l y THE ORIGINAL LANGUAGE OF THIS PUBLICATION IS ENGLISH ...
Страница 173: ...R e f e r e n c e O n l y Manitowoc Published 05 16 17 Control 233 03 4 19 999 SERVICE MAINTENANCE MANUAL BOOM 4 ...
Страница 174: ...R e f e r e n c e O n l y BOOM 999 SERVICE MAINTENANCE MANUAL 4 20 Published 05 16 17 Control 233 03 ...
Страница 297: ...R e f e r e n c e O n l y ...
Страница 298: ...R e f e r e n c e O n l y ...