Product: Air Chain Hoists

Models: IR, Palair Plus & ARO

Subject: Throat Opening/ Latch Swing Clearance Chart

By: Gwende Weiher, Marketing Administrator

No. UL-015

Date: 8/94 

Throat Opening/ Latch Swing Clearance Chart for Upper Hook

	Throat Opening		Latch Swing Clearance
IR Hoist Model	Inches	Millimeters	Inches	Millimeters
ML250K (S)	.94	23.88	.875	22.2
ML250KR	1.13	28.70	.875	22.2
ML500K (S)	.94	23.88	.875	22.2
ML500KR	1.13	28.70	.875	22.2
ML1000K (S)	1.09	27.69	1.13	28.6
HL1000K	1.19	30.23	1.22	33.0
HL1000KR	1.34	34.04	1.22	33.0
HL1500K	1.19	30.23	1.22	33.0
HL2000K	1.38	35.05	1.50	38.0
HL3000K	1.69	42.93	1.87	48.0
HL4500K	1.69	42.93	1.87	48.0
HL6000K	2.06	52.32	2.25	57.0
Palair Plus Hoist Model	Throat Opening		Latch Swing Clearance
IR Hoist Model	Inches	Millimeters	Inches	Millimeters
PAL250K	1.06	26.92	1.20	30.48
PAL500K	1.06	26.92	1.20	30.48
PAL1000K	1.06	26.92	1.20	30.48
ARO Hoist, Roller Chain Models	Throat Opening		Latch Swing Clearance
IR Hoist Model	Inches	Millimeters	Inches	Millimeters
AJ300 Series	.88	22.35	.81	20.58
7700 Series- 1/4, 1/2 ton	1.13	28.70	1.19	30.23
7700 Series- 1/4 ton- spark res.	1.13	28.70	1.19	30.23
7700 Series - 1 ton	1.13	28.70	1.19	30.23
7700 Series- 1/2 ton - spark res.	1.13	28.70	1.19	30.23
ARO Hoist, Link Chain Models	Throat Opening		Latch Swing Clearance
IR Hoist Model	Inches	Millimeters	Inches	Millimeters
AJ300 Series	.88	22.35	.81	20.58
7700 Series- 1/4, 1/2 ton	1.13	28.70	1.19	30.23
7700 Series- 1/4 ton- spark res.	1.13	28.70	1.19	30.23
7700 Series - 1 ton	1.13	28.70	1.19	30.23
7700 Series- 3/4 ton - spark res.	1.13	28.70	1.19	30.23
7790 Series - 1 ton	1.13	28.70	1.19	30.23
7790 Series - 3/4 ton - spark res.	1.13	28.70	1.19	30.23
7790 Series - 2 ton	1.34	34.04	1.38	35.05
7790 Series - 1 ton - spark res.	1.34	34.04	1.38	35.05
7790 Series - 1-1/2 ton - spark res.	1.25	31.75	1.38	35.05

 

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