Coffing Chain Hoist JLC2016

Lower the load block to desired point

Disconnect hoist from power supply

Adjustment of Lower Limit Switch

Pry the spring guide plate out of the slots in the limit switch nuts using a screwdriver

Turn the slotted silver nut toward its limit switch until the switch clicks, then turn two slots farther

Release the spring guide plate and ensure it slips back in the slots in both limit switch nuts

Remove the oil level fill plug from the side of the hoist

Is the gear oil level even with the hole?

Measure approximately 2 pints of SAE 90 EP gear oil

Refill the gear case with new SAE 90 EP gear oil

Securely replace the oil level fill plug

Disconnect hoist from power supply

Is the hoist at a convenient working level?

Select the repair location based on the type of repair needed

Ensure the following before starting repairs

Describe the repair procedures followed

Chain Replacement with Chain in Hoist

Power Disconnection and Electrical Cover Removal

DISCONNECT HOIST FROM POWER SUPPLY

Spring Guide Plate and Limit Switch Adjustment

Pry the spring guide plate out of the slots in the limit switch nuts using a screwdriver

Turn the gold nut back to about the center of the threaded screw

Remove the cover to access the controls

Verify the presence of components on the panel

Snap off terminal blocks and end clamps using a small screwdriver

Slide off the reversing contactor from the rail

Snap the reversing contactor back onto the rail

Note the numbers labeling the terminals of the contactor