Harrington Hoists and Cranes TCR Hoist - (1/4-6 Ton) - Manual (Page 32)

32
Table 5-3 Hoist Inspection Methods and Criteria
Item Method Criteria Action
Chain Container
(optional) Visual Container should not be damaged. Brackets
should not be deformed or missing. Replace
Bolts, Nuts and
Rivets Visual, Check
with Proper Tool Bolts, nuts and rivets should not be loose. Tighten or replace
as required.
Housing and
Mechanical
Components Visual, Auditory,
Vibration,
Function Hoist components including load blocks,
suspension housing, chain attachments, clevises,
yokes, suspension bolts, shafts, gears, bearings,
pins and rollers should be free of cracks,
distortion, significant wear and corrosion.
Evidence of same can be detected visually or via
detection of unusual sounds or vibration during
operation. Replace
Chain Separator Visual, Measure The Chain Separator should be free of cracks,
distortion, significant wear and corrosion. The “L”
and "W" dimension should not be greater than
maximum value listed in
Table 5-5 .
Replace
Motor Brake Measure, Visual Motor brake dimension should be within the
allowable limits of
Table 5-4 . See Section 7.2 for
gaining access to motor brake. Braking surfaces
should be clean, free of grease/oil and should not
be glazed.
Replace
Load Sheave Visual Pockets of Load Sheave should be free of
significant wear. See
Section 7.5 to gain visual
access to the load sheave.
Replace.
Pendant Control
Levers Visual,
Function
Depressing and releasing pendant control levers
should cause hoist to operate. Repair or replace
as necessary.
Pendant - Housing Visual Pendant housing should be free of cracks and
mating surfaces of parts should seal without gaps. Replace.
Pendant - Tubing Visual, auditory Tubing to pendant control switches should not be
loose or be leaking air. Repair or replace
as necessary.
Pendant - Labels Visual Labels denoting functions should be legible. Replace.
Warning Labels Visual Warning Labels should be affixed to the hoist (see
Section 1.2 ) and they should be legible.
Replace
Hoist Capacity Label Visual The label that indicates the capacity of the hoist
should be legible and securely attached to the
hoist. Replace.