38
P/N: 192047082 (REV AD) 627NH
March 2022
VARIABLE SPEED ELECTRIC CHAIN HOIST WITH
OPTION
Table 13a. Torque Specification: All Models
Fastener
Fastener Description
Tool Required
*Recommended Seating Torque
ft-lbf
N·m
Brake End Cover
1/4"-20 Socket-Head Cap Screw
3/16" Hex Driver
4.2 - 5.0
5.7 - 6.8
Motor End Cover
1/4"-20 Socket-Head Cap Screw
3/16" Hex Driver
4.2 - 5.0
5.7 - 6.8
1/4"-20 Button-Head Screw for
Miscellaneous Applications
1/4"-20 Button-Head Socket Cap
Screw
5/32" Hex Driver
4.2 - 5.0
5.7 - 6.8
Cord Grips
ø3/4" NPT Cord Grip
1-1/16" Hex Socket or Wrench
5.0 - 5.8
6.8 - 7.9
Cord Grip Dome Nut
1-1/16" Dome Nut for Cord Grip
2 x 1-1/16" Wrench; hold the cord grip body
while tightening the dome nut
3.3 - 4.5
4.5 - 6.1
or until cord does not slip
Table 13b. Torque Specification: Models A-H
Fastener
Screw Size
Tool Required
*Recommended Seating Torque
ft-lbf
N·m
Motor Housing / Gear Housing /
Back Frame Screws
1/4"-20 Socket-Head Cap Screw
3/16" Hex Driver
7.9 - 8.3
10.7 - 11.3
Liftwheel Nut
1"-12 Hex Nut
1-1/2" - 6- or 12-Point Socket
55.0 - 60.0
74.6 - 81.3
Brake Mounting Screws
M4 Socket-Head Cap Screw
3mm Hex Driver
2.5 - 3.3
3.4 - 4.5
Suspension Adapter Screws
3/8"-16 - 12-Point Cap Screw
3/8" - 12-Point Socket
35.0 - 45.0
47.5 - 61.0
Lower Hook Block Screws
(Double-Reeved)
1/4"-20 Socket-Head Cap Screw
3/16" Hex Driver
5.0 - 5.8
6.8 - 7.9
Loose End Screw
1/4"-20 Socket-Head Cap Screw
3/16" Hex Driver
4.2 - 5.0
5.6 - 6.8
Chain Stop Screw
1/4"-20 Socket-Head Cap Screw
3/16" Hex Driver
5.0 - 5.8
6.8 - 7.9
Table 13c. Torque Specification: Models J-RT
Fastener
Screw Size
Tool Required
*Recommended Seating Torque
ft-lbf
N·m
Motor Housing / Gear Housing /
Back Frame Screws
5/16"-18 Socket-Head Cap Screw
1/4" Hex Driver
14.2 - 15.0
19.3 - 20.3
Liftwheel Nut
1-1/8"-12 Hex Nut
1-11/16" - 6- or 12-Point Socket
85.0 - 90.0
115.2 - 122.0
Brake Mounting Screws
M5 Socket-Head Cap Screw
4mm Hex Driver
3.3 - 4.1
4.5 - 5.6
Suspension Adapter Screws
1/2"-16 - 20-Point Cap Screw
1/2" - 12-Point Socket
70.0 - 80.0
94.9 - 108.5
Lower Hook Block Screws
(Double-Reeved)
5/16"-18 Socket-Head Cap Screw
1/4" Hex Driver
10.0 - 11.3
13.6 - 15.3
Lower Hook Block Screws
(Triple-Reeved)
1/2"-13 Hex Cap Screw
3/4" - 6- or 12-Point Socket
55.0 - 65.0
74.6 - 88.1
Loose End Screw
5/16"-20 Socket-Head Cap Screw
1/4" Hex Driver
8.0 - 10.0
10.8 - 13.6
Chain Stop Screw
1/4"-20 Socket-Head Cap Screw
3/16" Hex Driver
5.0 - 5.8
6.8 - 7.9
*All torque values are for clean,dry fasteners. DO NOT apply oil or any other lubricant to the fastener threads.
