Harrington Hoists L4LB Oxygen Equipment User Manual


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GENERAL USE
EDOC0161
2 of 4 Rev. 0 May 16, 2000
(4.3 Regular Inspection, Page 17, 18)
Item Inspection Method Discard Limit/Criteria Measures
7. Springs
• Change-
over Spring
(63);
• Brake
Spring (54);
Deformation.
Measure with slide
calipers.
Free height (h
1
) of
Change-Over Spring must
meet table 4 values
Replace Part
Angle α between the bent
tips of brake spring must
meet table 5 values
Fig. 13
Table 4
3/4, 1 Ton 37mm (1.457 in)
Normal height (h
1
)
1 1/2 Ton & Up 42mm (1.654 in)
Table 5
Normal Discard
3/4, 1 Ton 30° 45°
1 1/2 Ton & Up 25° 40°
Fi
g
.12
(
LIFTING SYSTEM
)
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