Torque Requirements - Foley United ACCU-Pro 670 Assembly And Service Manual

SKILL AND TRAINING REQUIRED FOR SERVICING
This Service Manual is designed for technicians who have the neces-
sary mechanical and electrical knowledge and skills to reliably test
and repair the ACCU-Pro Bedknife Grinder. For those without that
background, service can be arranged through a local distributor.
This Manual presumes that you are already familiar with the normal
operation of the Grinder. If not, you should read the Operators
Manual, or do the servicing in conjunction with someone who is
familiar with its operation.
PERSONS WITHOUT THE NECESSARY
KNOWLEDGE AND SKILLS SHOULD NOT
REMOVE THE CONTROL BOX COVER OR
ATTEMPT ANY INTERNAL
TROUBLESHOOTING, ADJUSTMENTS, OR
PARTS REPLACEMENT!
If you have questions not answered in this manual, please call your
distributor. They will contact the manufacturer if necessary.

TORQUE REQUIREMENTS

Throughout this manual we refer to torque requirements as
"firmly tighten" or the like. For more specific torque values, refer
to the information below.
Bolts Going into a Nut, or Into a Thread Hole in Steel.
Refer to table at the right.
Bolts Going into a Thread Hole in Aluminum.
Use the Grade 2 values in the table at the right.
Socket-Head Screws
Use the Grade 8 values in the table at the right.
Machine Screw
No. 6 Screws: 11in.-lbs [0.125 kg-m]
No. 8 Screws: 20 in.-lbs [0.23 kg-m]
No. 10 Screws: 32 in.-lbs [0.37kg-m]
GRADE 2
SMOOTH
1/4 In.
thread (0.8 kg-m)
5/16 In.
thread (1.5 kg-m)
3/8 In. 19 ft-lbs
thread (2.6 kg-m)
7/16 In. 30 ft-lbs
thread (4.1 kg-m)
1/2 In.
thread (6.2 kg-m)
5
GRADE 5 GRADE 8
3 MARKS 6 MARKS
HEAD on HEAD on HEAD
6 ft-lbs 9 ft-lbs 13 ft-lbs
(1.25 kg-m) (1.8 kg-m)
11 ft-lbs 18 ft-lbs 28 ft-lbs
(2.5 kg-m) (3.9 kg-m)
31 ft-lbs 46 ft-lbs
(4.3 kg-m) (6.4 kg-m)
50 ft-lbs 75 ft-lbs
(6.9 kg-m) (10.4 kg-m)
45 ft-lbs 75 ft-lbs 115 ft-lbs
(10.4 kg-m) (15.9 kg-m)