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Harrington Hoists and Cranes HPC 500 End Truck User Manual

Page 23

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23

Table 5-2 Inspections Methods and Criteria

Component

Item

Method

Criteria

Corrective Action

Runway

Fasteners

Check tightness
Measure torque

Fasteners must be sufficiently tight.
Refer to torque values listed in
Section 3.

Tighten

Wheel Running
Surfaces

Visual

The surfaces on which the end
truck wheels run must be free of oil,
grease or paint.

Clean/remove
contaminants

Wheel Running
Surfaces

Visual

The surfaces on which the end
truck wheels run must not be worn
excessively.

Replace.

Dimensions

Measure

The span, straightness, elevation
must be within allowed tolerances
as specified by CMAA Spec. 74.

Adjust/repair

Bridge

Beam

Bridge Beam

Visual
Measure

The beam must not be deformed or
damaged.

Repair or replace

Welded parts

Visual
NDT

Welds to be in accordance with
weld specifications of CMAA Spec.
74.

Repair

Lower Flange

Visual

The travel surface must not be
worn excessively.

Replace

Fasteners

Check tightness
Measure torque

Fasteners must be sufficiently tight.
Refer to torque values listed in
Section 3.

Tighten

Deflection

Measure

Deflection at mid-span under rated
load must be less than 1/600 of the
span.

Repair , replace, or
down-rate

Capacity
Label(s)

Visual

Label(s) must be legible and
securely attached.

Repair or replace

End Truck

Wheel Tread

Measure

Wheel diameter must not be less
than the “Min. Value for
Replacement” listed in Table 5-3.

Replace

Wheel Flange

Visual

Wheel flange must not be worn
excessively.

Replace

Fasteners

Check tightness

Measure torque

Fasteners must be sufficiently tight.
Refer to torque values listed in
Section 3.

Tighten