2. Baldor-Reliance
  3. Belt Grinder Guard Kit#A641

Baldor-Reliance Belt Grinder Guard Kit#A641 Owner's manual

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MN902A
Replaces A641−INS
LB7006
Installation Instruction For Baldor Belt Grinder Guard Kit #A641
1MN902a
SAFETY NOTICE:
WARNING statements describe conditions that may lead to personnel injury including potentially fatal injuries if the
machine is not properly used and warnings are not properly followed.
Caution statements describe conditions that may lead to equipment damage.
WARNING: Do not operate this grinder until you are sure that you are completely familiar with the safe operation of the
grinder, all accessories and safety equipment. Improper use can lead to severe injury. This manual defines
proper use of this equipment. Before using this equipment for any other use, please consult Baldor.
Contact Baldor if you do not understand any procedure or operation concerning this grinder or this manual.
WARNING: Prevent electrical shock hazard and accidental machine operation. Always disconnect grinder from the
power source before servicing, changing accessories (such as wheels, tool rest, spark arrestor, etc.) or
before performing maintenance.
WARNING: Avoid accidental starting. Make sure switch is in “OFF” position before connecting to power source.
WARNING: Be sure the system is properly grounded before applying power. Do not apply power before you ensure that
grounds are connected. Electrical shock can cause serious or fatal injury. Follow the National Electrical Code
(NEC) and local codes for the safe installation of this equipment.
WARNING: Check damaged parts. Before further use of the grinder, a guard or other part that is damaged should
be carefully checked to assure that it will operate properly and perform its intended function. Check for
alignment of moving parts, binding of moving parts, breakage of parts, mounting, and any other conditions
that may affect its operation. A guard or other part that is damaged should be properly repaired or replaced.
WARNING: Always use safety glasses with side shields (or full face shield) when operating grinder. Do not use ordinary
eyeglasses. Also use face or dust mask if cutting operation is dusty.
Procedure:
1. Disconnect power source from grinder and accessories.
2. Remove belt.
3. Remove Contact Wheel from motor shaft. Note location of washers.
4. Remove Idler Wheel.
5. Remove motor from the grinder frame (four bolts, washers and nuts secure it to frame).
6. Locate Holes “A”, “B” and “C” shown in Figure 1. Use Figure 2 and 3 as templates to locate the holes.
a. Center punch and drill Hole “A” using a #21 tap drill. Tap the hole using a 10−32 tap.
b. Center punch and drill Holes “B” and “C” using a #7 tap drill. Tap the holes using a 1/4−20 tap.
7. Install the motor to the grinder frame (four bolts, washers and nuts secure it to frame).
8. Install the wheel guard B2FH2806A01 at holes B and C using 2 spacers HA6225, 1/4−20 x 2−1/4 screws and
lock washers as shown in Figure 1.
9. Install the Contact Wheel onto the motor shaft. Be sure key is in motor shaft and assemble washers in same
locations as when removed in step 3. Be sure wheel and guard do not contact.
Figure 1 Hole Locations
Hole A
See Figure 2
Hole C
Hole B
See Figure 3
Grinder
Frame
Spacers
HA6225
Wheel Guard
B2FH2806A01
2 MN902a
Procedure: Continued
10. Assemble the Upper Idler onto the frame Hole “A” as shown in Figure 2.
Spacers may be used to adjust the guard position so it does not contact the idler.
Be sure wheel and guard do not contact.
11. Install new Idler Wheel Guard using original screws. See Figure 4.
Figure 2 Hole A Detail Template
Screw
10−32x2−
3
/
4
Frame
Nut
10−32
Nut
10−32
Nut
10−32
Guard
Spacer
Washer
(if needed)
Spacer
Washer
(if needed)
Hole A
Center punch and drill Holes “A”
using a #21 drill.
Tap the holes using a 10−32 tap.
From Motor C
L
see Figure 3
11−3/16
7/8
Upper Idler Assembly
(Hole A)
2 Spacers fit onto the
10−32 screw, the idler
rides on the spacers.
Idler
Spacers
See Figure 4
for more detail
3MN902a
Procedure: Continued
12. Install Grinding Belt on Contact and Idler wheels.
13. Install Idler Wheel Guard Cover using Thumb Screws and Lock Washers.
14. Install Contact Wheel Guard Cover using Thumb Screws and Lock Washers.
15. Install Rear Belt Guard by removing thumbscrew of Contact Wheel Cover.
Place rear belt guard on the outside of the cover and position the upper slot of rear belt guard on the upper idler
axle screw.
16. Secure the Rear Belt Guard to the upper idler axle screw with a at washer, lock washer and nut.
17. Secure the Rear Belt Guard to the Contact Wheel Guard cover with the thumbscrew removed in step 15.
18. Verify that all mounting hardware is tight and secure before applying power and operating the belt grinder.
19. Apply power. Verify that the wheels and belt have proper clearance to move freely without rubbing on the
guards or other parts.
20. Adjust belt tracking manually before operating the belt grinder.
Figure 3 Holes B and C Detail Template
Hole B
Hole C
1/2”
1−7/16”
2−3/16”
9/32
Center punch and drill Holes “B” and “C” using a #7 drill.
Tap the holes using a 1/4−20 tap.
From
Motor C
L
Motor C
L
Baldor Electric Company
P.O. Box 2400, Fort Smith, AR 72902-2400 U.S.A., Ph: (1) 479.646.4711, Fax (1) 479.648.5792, International Fax (1) 479.648.5895
www.baldor.com
© Baldor Electric Company
MN902a
All Rights Reserved. Printed in USA.
6/06
Figure 4 Guard Kit Assembly Diagram
Idler Wheel Guard
B2FH2801A01
Cover
B2FH2808A01
Contact Wheel Guard
B2FH2806A01
Spacers (not shown)
HA6225
(see Figure 1)
Cover
B2FH2807A01
Rear Belt Guard
B2FH2809A01
Spacers (not shown)
HA2001A07
Idler Wheel
(see Figure 2)
Contact Wheel
/