Inspection - Pacific Hoists U-MEGA Series Operations Manual & Parts List

NOTE: We recommend using lubricant oil equivalent to SHELL S4 WE460.
(2) Always keep the hoist unit dry and never misuse it in a manner likely to reduce its durability.
(3) When it is necessary to keep the unit outdoors, a protective covering should be fitted.

6.2 Inspection

1. Daily inspection: Before starting daily operation, check the followings:
(a) Correct power supply.
(b) "Up", "Down" and "Emergency Stop" test runs under no load.
(c) Correct motor performance.
(d) No abnormal or excessive noise.
(e) No malfunction of the bottom hook safety latch.
(f) Proper function of moving/turning parts and brake.
(g) Well-lubricated load chain.
2. Monthly inspection
(a) Load chain.
Distorted, elongated or worn chain link will not sit properly on the load sprocket
wheel and may cause chain breakage and/or damage to hoist unit. To ensure safe
and efficient operation, the chain links must be checked for their pitch (inside
length), inside width and outside width monthly according to following table.
CHAIN LINK
Always use the hoist manufacture's recommended parts when repairing a hoist.
Measuring
(1) The chain gauge is useful and convenience for measuring.
(2) Please use a chain gauge to measure the chain pitch and diameter, per illustrations (1) and (2).
(3) Every chain ring must be measured, and the chain must be replaced when one of chain ring
Dia-
Meter
Model
(m/m)
(d)
PEH050
Ø6.3
PEH100
Ø7.1
PEH200-2
PEH200-1
Ø10.0
PEH300-2
PEH500-2
Ø11.2
15
Inside Inside Outside
Length Width Width
(m/m) (m/m) (m/m)
(p) (a)
19.1 7.9
20.2 8.3
30.2 12.5 33.2
34 14 37.5
Table 6-2-a
Breaking
Load
(kn)
(b)
21.4 49.9
23 63.3
128
160