-9
l{)
6. Checks before Operation- At the beginning of each shift
WARNING
• Always execute the following checks at the beginning of each shift.
• lf a malfunction occurs during the operation of the hoist, stop operation immediately
and take the necessary steps to rectify the problem.
Never operate the hoist if damaged or malfunctioning.
This is a serious hazard and could result in personal injury or death.
6. 1 Check before Start up
(1) Check the wire rope is not kinked, deformed,
damaged, or worn.
See Chapter 8, Section 8. 2 "(2) lnspection of
Wire Rope and Service Limit ".
(2) Check the bottom hook is not stretched or damaged
and the hook latch is in the normal position.
(3) For EHW-60R and EHW-120R, check the bottom
hook can swivel smoothly.
Butter spring
Stopper
Locking portion of
the wire rope
E
E
c.o
>
e
<
0.
0.
<(
(4) Check the stopper is approx. 65 mm apart from the end
of the locking portion of the wire rope. (See Figure in right.)
WARNING
lf the buffer spring collides with the hoist body while the stopper is in contact with the
locking portion of the wire rope, the wire rope will be damaged and the suspended Ioad
may drop, causing serious danger.
(5) Check the trolley wheels track the rails properly and the wheels and rails are not worn.
(6) Check the Iifting sling (suspension fastening) is not damaged or worn.
6. 2 Check by ldling Operation
(1) Check the push button switches can be easily operated and the up
I
down operations are correct
as indicated.
Check hoisting speed can be changed from low to high speed by controlling the pushing force
on the push buttons.
(2) Check the preventive device against reverse winding functions correctly.
See Chapter 5, Section 5. 2 "Check of the Preventive Device against Reverse Winding
(Overlowering Limit Switch)".
(3) Check the hoist is not abnormally noisy or vibrating.
6. 3 Check by Load Operation
(1) Lift the rated or near the rated Ioad a few inches oft the floor and check ability of the brake to
stop and hold the Ioad without excessive dritt.
(2) Check the hoist is not abnormally noisy or vibrating.
Содержание EHW-120
Страница 1: ...INSTRUCTION MANUAL AIR HOIST EHW 60 EHW 60R EHW 120 EHW 120R 02 04 04 0001 0516 00 BA ENG PLA ...
Страница 31: ... 29 1 25A 25B 56 44 36 41 43 41 62 ...
Страница 32: ... 29 ...
Страница 35: ...IIEHW 60R IIEHW 120R 36 40 2 97 41 81 82 89 li 86 87 88 8 32 ...
Страница 36: ......