Installation, Ratchet Lock, Maintenance | Hubbell None instruction

SLIP RING REPLACEMENT

INSTALLATION and MAINTENANCE INSTRUCTIONS

14", 16", 19" SPRING OPERATED ELECTRIC CABLE REELS

☞ NOTE: These instructions are written for machine pull reels.

If installing or servicing hand pull reel, use only those steps marked with hand ☞ .

All units are provided with right hand rotation unless otherwise specified. This means that spool rotates counter-clockwise to wind cable when viewing reel from slip ring side.

Clock-type springs provide power for cable take-up. Spring must be pretensioned at time of installation to insure that tension is applied to cable at all times.

INSTALLATION

1.If reel is supplying power to a machine, insure that machinery is at position closest to reel.

CAUTION

If mounting overhead, provide safety chain between reel base and mounting surface to prevent accidental reel drop.

☞2. Securely mount reel in desired position using 3/8"(M10) bolts. Be sure spool centerline is aligned with cable run.

☞3. Position cable guide. Guide must be oriented so cable pays off reel in a straight line without bends.

☞4. Remove cable stop. Rotate spool counter-clockwise (when viewed from slip ring side) until all cable is wound on reel...not extending through cable guide. See fig. 1.

Figure 1		Figure 2	PRE-TENSION–
			PRE-TENSION–
	WIND ALL		ROTATE SPOOL
	WIND ALL		360˚ TURNS IN
	CABLE		360˚ TURNS IN
	CABLE		LAST TWO
	ONTO		LAST TWO
	ONTO		DIGITS OF
	SPOOL		DIGITS OF
	SPOOL		MODEL
			MODEL
			NUMBER ON
			SERIAL PLATE

☞5. Pre-tension reel by rotating spool in clockwise direction (when viewed from slip ring side). Full 360˚ turns should match last digit in model number on serial plate. See fig. 2.

☞6. Engage ratchet lock to prevent spool from unwinding.

☞7. Feed cable end out through cable guide and pay-out cable to maximum working length. At least one turn of cable should remain on spool. If spool locks up prior to reaching required length, either reel was over-tensioned during step 5 or reel capacity has been exceeded. Failure to correct this condition will result in shortened spring life and possible damage to other reel components.

☞8. Attach and adjust cable stop. Complete cable working end connections.

9.If machine pull application or if no-lock operation is desired, disengage ratchet lock. See following section.

☞10. Remove slip ring cover and connect individual supply conductors to slip ring leads. Replace cover.

☞11. Turn on power to reel.

RATCHET LOCK

Reel is shipped with ratchet lock “engaged”. If constant spring tension is required, lock may be disengaged by locating and removing the selector plate anchor screw on the frame, rotat- ing the selector plate to disengage position, and replacing and tightening the selector plate screw.

MAINTENANCE

Bearings and springs are prelubricated and require no periodic maintenance.

SPRING REPLACEMENT

The unique SAFETYCHANGE® spring motor consists of a spring sealed within a housing. A preplacement spring is supplied sealed in its housing and the old unit should be discarded completely.

☞1. Turn off all electric power.

☞2. Disconnect cable from working end connections.

☞3. Wind cable onto reel to relieve all spring tension.

☞4. Using a 3/16" Allen wrench, loosen socket head screw in main shaft clamp nut. Support spool and spin nut off shaft.

WARNING

Do not attempt to remove spring from its housing. Clock- type springs can be dangerous to handle. Removal of spring from housing could result in personal injury.

☞5. Remove entire spool and spring motor assembly from frame.

☞6. Remove V-Ring seal from spring assembly.

☞7. Remove nuts holding spring assembly and slide spring assembly off main shaft.

☞8. Slide new spring assembly onto shaft and reassemble reel by reversing above steps.

☞9. Adjust spring tension. Refer to INSTALLATION, Step 5.

☞ 1. Turn off all electric power.

☞ 2. Remove cover from junction box. Disconnect input wiring. ☞ 3. Engage ratchet lock to prevent spool from rotating.

☞ 4. Remove locknuts holding slip ring cover and gasket. Remove cover.

☞ 5. Disconnect cable leads from slip ring terminals.

☞ 6. Loosen two set screws in collar using 1/8" Allen wrench. Pull slip ring assembly off shaft.

☞ 7. Install new slip ring assembly on shaft and re-assemble reel by reversing above steps.

CABLE REMOVAL

Use the following procedure to remove worn or damaged cable from reel prior to installation of new cable.

1.Move machine serviced by reel to a position closest to reel. Spring will still be under pre-tension at this point.

☞2. Turn off all electric power.

☞3. Disconnect cable from machine or other fixtures. Remove cable stop and allow cable to retract onto spool. Ensure all tension is off spring by manually rotating spool (normally counter-clockwise when viewed from junction box side).

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