Columbus McKinnon Coffing JLC Series, Руководство по эксплуатации, техническому обслуживанию и каталог запасных частей

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12
JLC680-2 Rev AA April 2019
may be removed as follows:
1. Disconnect the Hoist and remove it to a workbench.
2. Remove the Hook Retaining Screw.
3. Remove the Hook Retainer.
4. Remove the Hook (Note the orientation of the hook for
reassembly).
Care must be taken during reassembly to have the hook in proper
orientation. Refer to figures 8A, 8B & 8C for proper orientation
Figure 8A — Hook Orientation Marks
For Single Chain Hoist Installation, orient the centerline of the top
hook with the single mark on the top of the sheave housing (Figure
8A). Hook installation should be as shown in Figure 8B.
Figure 8B - Single Chain Hook Orientation
For Double Chain Hoist Installations, orient the centerline of the
top hook with the double marks on the top of the sheave housing
(Figure 8A). Hook installation should be as shown in Figure 8C.
Figure 8C - Double Chain Hook Orientation
When reassembled, recheck the limit switch settings
(See LIMIT SWITCH ADJUSTMENT, page 8).
5-11 POWER CORD PRECAUTIONS WITH
1-PHASE HOISTS
Electric hoists require a sufficient power supply. It is especially
important with single-phase voltage to ensure that the conductors
running to the hoist from the power source are adequate in
size to handle the power requirements of the hoist. Inadequate
power cables and branch circuits will cause low voltage, high
amperage, damage to the hoist, and potential fire hazards.
Such problems can be minimized by using 230V power on 115/230V
hoists. The following are recommendations for the conductor gage
size depending on the length, horsepower, and voltage.
Table 5 - Recommended Conductor Sizes for 1-Phase Hoist
Hoist HP
(fast/slow)
Voltage
(1-Phase)
Maximum Length of Power Cord in Feet
14 AWG 12 AWG 10 AWG 8 AWG
1/4
115V
230V 75
350
120
560 190
900 300
–
1/2
115V
230V 40
200
60
330
100
250 150
810
1
115V
230V 0
120
30
190
50
310
75
490