Foley 622 User manual

- ORIGINAL INSTRUCTIONS -
622
AUTO - INDEX
SPIN / RELIEF
REEL MOWER GRINDER
Patent No. 5,321,912
6,010,394 & 6,290,581
6,685,544 & 6,699,103
SERVICE MANUAL
55013 (11-21)

2
- ORIGINAL INSTRUCTIONS -
As manufacturers of sharpening equipment, we want to conrm to you, our customers, our concern for
safety. We also want to remind you about the simple, basic, and common sense rules of safety when using
this equipment. Failure to follow these rules can result in severe injury or death to operators or bystanders.
It is essenal that everyone involved in the assembly, operaon, transport, maintenance, and storage of this
equipment be aware, concerned, prudent, and properly trained in safety. Always use proper shielding and
personal protecve equipment as specied by the manufacturer.
Our current producon machines include, as standard equipment, guards or shields for the grinding wheel,
safety signs, and operator's and service manuals. Never bypass or operate the machine with any of the
guards or safety devices removed or without the proper personal safety equipment.
Operator's Manual
Before operang this grinder, an operator must read and understand all of the informaon in the
Operator's Manual and understand all of the safety signs aached to the product. A person who has not read
or understood the Operator's Manual and safety signs is not qualied to operate the unit. Accidents oen
occur on machines that are used by someone who has not read the Operator's Manual and is not familiar
with the equipment. If you do not have an Operator's Manual or current producon safety signs, contact the
manufacturer or your dealer immediately.
The equipment is designed for one-man operaon. Never operate the equipment with anyone near, or
in contact with, any part of the grinder. Be sure no one else, including bystanders, is near you when you
operate this product.
Following these simple, basic safety rules, as well as others:
• Find and understand all safety signs in the Operator's Manual and on the equipment. This will help
minimize the possibility of accidents and increase your producvity in using this product.
• Be careful and make sure that everyone who operates the grinder knows and understands that it is a very
powerful piece of machinery, and if used improperly, serious injury or death may result.
• The nal responsibility for safety rests with the operator of this machine.

3
- ORIGINAL INSTRUCTIONS -
Safety Message......................................................................................................... 2
Safety Instrucons.................................................................................................... 3 -6
Service Data and Adjustments ................................................................................. 7 -21
Trouble Shoong ...................................................................................................... 22 -39
Parts Diagram ........................................................................................................... 40 - 71
Wiring Diagram ........................................................................................................ 72 - 73
Wiring Schemac...................................................................................................... 74
Read the Operator's Manual before operang this equipment. Keep this manual handy for ready
reference. Require all operators to read this manual carefully and to become acquainted with all
adjustments and operang procedures before aempng to operate the equipment. Replacement
manuals can be obtained from your selling dealer or the manufacturer.
The equipment you have purchased has been carefully engineered and manufactured to provide
dependable and sasfactory use. Like all mechanical products, it will require cleaning and upkeep.
Lubricate and clean the unit as specied in the Operator's Manual. Please observe all safety
informaon in this manual, the Operator's Manual and the safety decals on the equipment.

4
- ORIGINAL INSTRUCTIONS -
13. Follow
instrucons in Service Manual for lubricaon and
prevenve maintenance.
14. or
when changing the grinding wheel.
15.
Make sure the switch is OFF before plugging in the
Grinder.
16. Consult the
manual for recommended accessories. Using improper
accessories may cause risk of personal injury.
17. A guard or other part
that is damaged or will not perform its intended
funcon should be properly repaired or replaced.
18.
Do not leave grinder unl it
comes to a complete stop.
19. Read this manual
carefully. Learn its applicaon and limitaons as well
as specic potenal hazards.
20.
If safety decals become damaged or illegible for any
reason, replace immediately. Refer to replacement
parts illustraons in Service Manual for the proper
locaon and part numbers of safety decals.
21.
1. and in working order.
2.
3.
4. .
Don't use grinder in damp or wet locaons. Machine
is for indoor use only. Keep work area well it.
5. . All visitors should be
kept a safe distance from work area.
6. with padlocks or
master switches.
7. It will do the job
beer and safer if used as specied in this manual.
8. Don't force the Grinder
or an aachment to do a job for which it was not
designed.
9. Wear no loose clothing,
gloves, neckes, or jewelry which may get caught in
moving parts. Nonslip footwear is recommended.
Wear protecve hair covering to contain long hair.
Wear respirator or lter mask where appropriate.
Wear protecve gloves.
10. .
11. Make certain that the
cung unit is securely fastened with the clamps
provided before operang.
12. Keep proper foong and
balance at all mes.

5
- ORIGINAL INSTRUCTIONS -
DO
1. DO always wheels in a
manner.
2. all wheels before
mounng for possible damage.
3. against the
established maximum safe operang speed
marked on wheel.
4. for equal
and correct diameter.
5. when supplied
with wheels.
6. DO be sure is properly adjusted.
7. DO always at
least one-half of the grinding wheel.
8. DO allow to run
at operang speed, with guard in place, for at
least one minute before grinding.
9. DO always or some
type of eye protecon when grinding.
DON'T
1. DON'T use a cracked wheel or one that
or has become damaged.
2. a wheel onto the machine OR
the size of the mounng hole - if wheel won't
t the machine, get one that will.
3. DON'T ever
established for the wheel.
4. DON'T use mounng anges on which the bearing
surfaces
5. the mounng nut excessively.
6. DON'T grind on the (see
Safety Code B7.2 for excepon).
7. DON'T start the machine unl the
8. work into the wheel.
9. of a grinding
wheel whenever a grinder is started.
10. so that motor slows
noceably or work gets hot.
generated by grinding and cung operaons. Exposure to dust may cause
respiratory ailments. Use approved NIOSH or MSHA respirators, safety glasses or face shields, and protecve
clothing. Provide adequate venlaon to eliminate dust, or to maintain dust level below the Threshold Limit
Value for nuisance dust as classied by OSHA.

6
- ORIGINAL INSTRUCTIONS -
IMPORTANT GROUNDING INSTRUCTIONS
MANUAL
This is the Electrical Hazard Symbol. It indicates that
inside the
enclosure of this product. TO REDUCE THE RISK OF
FIRE OR ELECTRIC SHOCK, do not aempt to open the
enclosure or gain access to areas where you are not
instructed to do so.

7
- ORIGINAL INSTRUCTIONS -
This Service Manual is designed for technicians who have the necessary mechanical and electrical knowledge and skills
to reliably test and repair the 622 Spin/Relief Grinder. For those without the background, service can be arranged
through your local distributor.
This secon presumes that you are already familiar with the normal operaon of the grinder. If not, you should read
the Operator's Manual or do the servicing in conjuncon with someone who is familiar with its operaon.
Persons without the necessary knowledge and skills should not remove any panels or shields, or aempt any internal
troubleshoong, adjustments, or parts replacement.
If you have quesons not answered in this manual, please contact your distributor.
Throughout this manual we refer to torque requirements
as "rmly ghten" or the like. For more specic torque
values, refer to the informaon below.
Refer to the table at the right.
Use the Grade 2 values in the table at the right.
Use the Grade 8 values in the table at the right.
No. 6 screws: 11 in.- lbs (0.125kg - m)
No. 8 screws: 20 in. - lbs (0.23 kg - m)
No. 10 screws: 32 in. - lbs (0.37 kg - m)
6 -lbs 9 -lbs 13 -lbs
thread (0.8 kg-m) (1.25 kg-m) (1.8 kg-m)
11 -lbs 18 -lbs 28 -lbs
thread (1.5 kg-m) (2.5 kg-m) (3.9 kg-m)
19 -lbs 31 -lbs 46 -lbs
thread (2.6 kg-m) (4.3 kg-m) (6.4 kg-m)
30 -lbs 50 -lbs 75 -lbs
thread (4.1 kg-m) (6.9 kg-m) (10.4 kg-m)
45 -lbs 75 -lbs 115 -lbs
thread (6.2 kg-m) (10.4 kg-m) (15.9 kg-m)

8
- ORIGINAL INSTRUCTIONS -
DAILY MAINTENANCE IS SPECIFIED ON PAGE
7 OF THE OPERATOR'S MANUAL AND IS TO BE
PERFORMED BY THE OPERATOR.
LISTED BELOW ARE PERIODIC MAINTENANCE
ITEMS TO BE PERFORMED BY YOUR COMPANY'S
MAINTENANCE DEPARTMENT:
1. Clean the dust tray located under the grinding
wheel area. Use a vacuum or a small broom and
dust pan to clean.
2. Inspect the Poly-V belt on the grinding motor
for cracking and make any necessary adjustments
every three months.
3. Wipe o and lubricate, with never-seize, the
vercal adjustment shas every six months. Run
the arms up and down to coat the working areas of
the sha.
4. Inspect the traverse cog belt for cracking and
defects every three months. Remove any grit or
dust that may aect the funcon of the belt. Adjust
tension if necessary per procedures called out in
the adjustment secon.
5. Clean and lubricate the grinding sha and
traverse shas every 2 to 4 weeks. Follow the
procedure on the next page.
6. Lubricate grinding sha bearing with one shot
of grease once every 2 years. See FIG 2.

9
- ORIGINAL INSTRUCTIONS -
LUBRICATION
STEP 1 – Thoroughly clean all three shas.
STEP 2 – Flood spray all three shas with CRC 3-36 unl the lubricant is dripping o the shas. Do not use
Then run the grinding head assemblies back and forth through their full range
of travel. This will remove the dust and deposits from inside the wheel anges. Repeat if necessary unl
lubricaon is clear of deposits. Clean keyways located on the grinding sha with so brush.
STEP 3 – With a clean rag, wipe o the excess amount of lubricant from the shas. Run the grinding
assemblies through their range of travel and wipe the shas aer each traverse. Repeat unl the shas are
dry to the feel. This completes the lubricaon process.
IMPORTANT:
If the unit will be shut down for an extended period of me, more than four weeks, then the shas and other
appropriate parts of the unit should be ooded with lubricant and that lubricant le in place unl the unit is
brought back into service. When the unit is brought back into service the full lubricaon procedure as stated
above should be repeated.
FIG. 3
TRAVERSE
SHAFTS
GRINDING SHAFT
COG BELT
GRINDING SHAFT
BEARING
POLY-V BELT
GRINDING SHAFT
BEARING

10
- ORIGINAL INSTRUCTIONS -
To replace the wheel lower the le side of the
grinding sha and raise the right side.
To remove the le side bearing: rst, loosen the
setscrews on the bearing collar, then remove the four
screws that hold the bearing to the le arm.
Slide the grinding wheel hub assembly(s) o the
sha, taking note of what side the nut is on. Use the
spanner wrench to remove and replace the grinding
wheel(s).
Place the grinding wheel hub assembly(s) back
on the grinding sha. Verify that the spin hub is
located between the spin drive yoke assembly before
lowering the grinding sha.
Reinstall the bearing on the le side of the grinding
sha making sure to t the pilot on the bearing into
arm. Tighten the four mounng screws, and then
ghten the setscrews to the sha.
FIG. 4
BEARING
SPIN NUT
SPIN WHEEL
SPIN FLANGE
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