Item
Inspection Method
Discard Limit/Criteria
J
LIFTING SYSTEM
1. Load sheave
ICheck visually.
(18); wear and
deformation
Measures
Large amount of wear or
I
Replace the part.
deformation on the surface
of load wheel pocket or burr
due to load chain contact.
2.Gear(19);
ICheckvisually.
wear and flaw.
I
Ball bearing B [16]
Teeth have excessive wear
or damage.
,
Frame
[13]
3. Hand wheel
(33); wear and
deformation.
Check visually.
Large wear or deformation
on the surface of hand
wheel.
The hand wheel touches
the cover.
FRAME (13)
1. Flaw on frame
Check visually.
Flaws or cracks.
MISCELLANEOUS
1.Wearon chain
ICheckvisually.
guide(20)
Excessive wear or press
mark.
2. Flaw on guide
roller (20-A)
Check visually.
Does not turn freely.
3. Deformation of
stripper(21 )
Checkvisually.
Stripper is crushed or the tip
is damaged.
Replace the part.
Replace the part.
Replace the part.
Replace the frame.
Replace the part.
Replace the part.
Replace the part
INormal Service
is defined as operation with random loading at or below rated capacity or uniform loading
not exceeding 65% of rated capacity for not more than 15% of the time.
2
HeavyService
is defined as operation with loads less than or equal to rated capacity which exceed
normal service limits.
3
Severe
Service
is defined as operation with loads ~e5sthan or equal to rated capacity involving normal
or heavy service with abnormal conditions.
t
I
