models 52 ra - Henry Tools

Transcription

MODELS
52 RA
General Safety and Maintenance Manual
Henrytools 52RA right angle grinder
featuring a 2 HP motor
CAPACITY
7 Inch (180 mm) or 9 Inch (230 mm) Type 27 Wheels
Model
Exhaust Throttle Rated
Number Direction Type
Speed
Power Case
Weight
Output Material
Overall
Lenght
52 RA
2.0 H.P Alumi1500 W num
15 inch 3.0 Inch
381 mm 76.2 mm
SIDE
SAFETY
LEVER
40008000
R.P.M.
8.0 Lb/
.3.6 Kg
Body
Diameter
Working Air
ConsumpSpindle Length & Thread
tion
40 cfm
(18.9 L/s)
T1-5/8-11 x 0.9 inch
(23mm)
T2-5/8-11 x 1.1 inch
(28mm)
The Henry Tool Co., Manufactured by Henry Tools
498 So. Belvoir Blvd., South Euclid, OH 44121 U.S.A.
Ph: (216) 291-1011 or (800) 826-5257 ● Fax: (216) 291-5949 or (800) 303-2800
Email: daviidh@msn.com ● Website: www.Henrytools.com
General Operators Instructions and Service Manual
PART NO.
DESCRIPTION
1
NRA-1
2
3
NRA-24
NRA-22
4
NRA-20
RIGHT ANGLE HEAD (52RA
Model)
LOCK BUTTON (52RA Model)
SPRING (52RA Model)
LOCK HOUSING (52RA Model)
5
6
7
NRA-21
AA-NRA-20
591164
LOCK PIN (52RA Model)
ASSEMBLY COMPLETE
CAP SCREW (Model 52RA)
8
NRA-9
BEARING (52RA Model)
www.HenryTools.com | Page 119
ITEM
NO.
PART NO.
9
NRA-15
10
NRA-10
11
12
NRA-43
NRA-16
13
NRA17A
14
15
16
17
18
594030
NRA-13
NRA-14
500-25-G
NRA-40
DESCRIPTION
SPACER (Model 52RA)
GEAR SET (sold as set) (Model
52RA)
KEY (Model 52RA)
SPINDLE 5/8-11 X 0.9 (52RA
Model)
O-RING (Model 52RA)
SPACER SHIELD (52RA Model)
SNAP RING (52RA Model)
FITTING (52RA Model)
DEAD HANDLE (52RA Model)
For additional product information visit our website.
Revised 06/25/12
Ph:
ITEM
NO.
HENRY TOOLS, INC. (216) 291-1011 or (800) 826-5257
MODELS
52 RA
NRA-8
20
NRA-7
21
22
23
24
NRB-5
N6
N2
400-44
25
NV-3
26
NV-9
27
NGOV-63
28
NGOV-64
29
NRA-17
30
N70
31
HTA-130
32
NRA-27A
33
594228
PART NO.
1100-150
849259
889271
849848
849848-R
849850
849913
849914
849269
DESCRIPTION
FRONT END PLATE (52RA
Model)
ROTOR (Model 52RA)
ROTOR BLADE (4 are Req’d)
CYLINDER (Model 52RA)
PIN
REAR END PLATE (Model
52RA)
6000RPM GOVERNOR (Model
52RA)
8000RPM GOVERNOR (Model
52RA)
SPINDLE 5/8-11 X 1.1 (52RA
Model)
GOVERNOR SEAT (Model
52RA)
MOTOR CASE (Model 52RA)
EXHAUST DEFLECTOR (Model
52RA)
O-RING (Model 52RA)
1100-150
ACCESSORIES
1-1/2” WRENCH
ASSEMBLIES
AA-NRA-20 SPINDLE LOCK ASSY
510260-A
REPAIR KITS
REPAIR KIT Includes: All Bearings ,
rotor blades and snap rings.
Ph:
ITEM
NO.
19
ACCESSORIES
1-1/2” WRENCH
5/8-11 SANDING PAD NUT
5/8-11 4” SANDING PAD (MAX 12000
RPM)
RPM)
RPM)
5/8-11 6” SANDING PAD (MAX 8500 RPM)
DEP. CENTER WHEEL ADP. KIT
MODELS
52 RA
Revised 06/25/12
MODELS
52 RA
Description
O-Ring
Snap Ring
550-33-L
Live Handle Adaptor
bushing
Screen Filter
Spacer
Lever
Lever Pin
550-33-SW
550-33-SP
550-38
550-50
560-13
600-51
650-1-AL
AA-650-1-ALS
650-33
650-54
650-55
650-56
650-57
700-30
700-48
700-54
700-S-26
700-S-26-GK
841555
Description
Handle Assembly
(Complete)(Nonlockout handle)
Safety Lock Handle
Assembly (Complete)
Screen
Bushing(1/2x3/8)
Safety Lock Pin
Safety Lock Spring
Safety Lock Lever
Set Screw
O-Ring
Cap Screw
Lock Washer
Plug
Gasket
Screen Bushing
(1/2X1/2)
Ph:
650-1-ALS
Throttle Valve Assembly
with 200-9 O-ring
installed
Plunger Spring
Live Handle Body
(Non-Lockout type)
Safety Lock Valve
Body(Bare)
Part Number
AA-650-1-AL
Part Number
200-9
500-46
Revised 06/25/12
the shaft and up to the rotor.
Place brass jaws onto vise. Clamp front spindle assembly in vise
vertically with output in upward direction. Clamp onto the large outside diameter of the rotor. Thread on and tighten the pinion gear
(NRA-10) with a wrench. Remove assembly from vise.
4. With brass jaws still in vise, clamp motor assembly into vise vertically with output down. Clamp onto the sides of the pinion gear.
5. Place four blades (N6) into blade slots of rotor. Place the cylinder
(N2) over the spindle/rotor with the locating pin pointing away from
the pinion gear.
6. Place the rear endplate (NV-3) onto the end of the cylinder. (Align
the smaller hole of the endplate over the pin on the cylinder.)
7. Place the rear bearing (NV-9) over the governor stem of the spindle
and drive into place with a suitable bearing driver.
8. Prior to reassembly inspect governor for gouges, nicks or dents.
Thread on and tighten the governor with a wrench (Left hand
thread). Remove assembly from vise.
The Angle Head reassembly
1. Support the bearing (NRA-16) on a suitable drill block.
2. Press the spindle (NRA17{A}) through bearing until it bottoms on
shoulder.
3. Install the key (NRA-43) into the key slot of the spindle.
4. Place the ring gear (NRA-10) over the spindle and key. Align the
key with the keyway of ring gear.
5. Support the spindle assembly vertically on a suitable drill block with
output toward downward direction.
6. Press the ring gear over the key and up to front bearing. (Take care
not to damage the teeth of the gear.)
7. Slide spacer (NRA-15) onto spindle.
8. Support the spindle assembly vertically on a suitable drill block with
output toward downward direction.
9. Press the rear bearing (404-3) onto end of spindle.
10. With brass jaws in vise, secure spindle assembly into vise vertically
with output toward downward direction. Clamp onto the threads of
the angle spindle.
11. Screw in and tighten screw (591164) into end of spindle. Remove
from vise.
12. Grease gear teeth with a lithium soap based, NGLI grade 2 grease.
13. Slide the spindle assembly into right angle head (NRA-1).
14. Install o-ring (594030) and spacer (NRA-13) in front of angle head.
Install snap ring (NRA-14) into groove in angle head housing.
Final STAGE REASSEMBLY
1. Install o-ring (594228) onto motor housing (NRA-130). Lightly oil
o-ring. Install exhaust deflector (NRA-27A) onto motor housing.
2. Assemble live handle. Bolt live handle onto motor housing with 4
screws (550-48) and lockwashers (550-54).
3. Secure angle head assembly in vise with motor opening toward
upward direction. Clamp lightly onto the dead handle boss.
4. Install motor assembly onto angle head. Jiggle assembly until gears
align. Turning the output spindle will aid gear mesh.
5. Slide motor housing over motor assembly and tighten onto threads
of right angle head, using flats on live handle.
6. Install spindle lock assembly (AA-NRA-20). Replace guard on tool.
7. Check RPM with a reliable tachometer. Tool must run at or below
speed stamped on tool.
3.
8. NEVER MODIFY ANY PART OF THIS TOOL AND
ITS ACCESSORIES!!! Serious injury can result.
Revised 06/25/12
Ph:
Disassembly
1. Remove grinding wheels. Disconnect tool from
air supply. Remove spindle lock assembly (AANRA-20).
2. Secure the tool in vise vertically with the angle
head (NRA-1) toward downward direction. Clamp
lightly onto dead handle boss on the side of angle
head. Using a wrench on flats of live handle,
unscrew motor housing from angle head. Remove
motor from case or angle head.
Motor DISAssembly
1. Place brass jaws on vice. Secure pinion gear
(NRA-10) in vise and remove governor (NGOV-XX).
Note: (Left-hand thread).
2. Clamp motor assembly into vise with output
pointed down. Clamp lightly onto the cylinder (N2)
and rear endplate (NV-3). Place a small punch into
the center of the motor spindle (NRB-5) where the
governor was removed. Tap lightly on end of punch
with a small hammer. This will drive the spindle
through the rear bearing (NV-9) (Be sure not to
damage threads on the rear of the spindle.) (DO
Not DROP spindle assembly when it becomes free.)
Remove everything from vise.
3. Remove rear bearing from rear endplate (NV-3)
with a suitable punch or screwdriver. Remove rotor
blades (N6) from rotor.
4. Place brass jaws on vise. Clamp front spindle assembly in vise vertically with output in upward
direction. Clamp onto the large outside diameter
of the rotor. Remove pinion gear (NRA-10) with a
wrench. Remove assembly from vise.
5. Press output end of spindle through front bearing
(NRA-8) with an arbor press. Remove front bearing
support (NRA-8).
The Angle Head DISASSEMBLY
1. Remove snap ring (NRA-14) using snap ring pliers.
Remove spacer (NRA-13) and o-ring (594030). Lift
output spindle assembly from angle head.
2. Place brass jaws on vise. Clamp firmly onto threads
of output assembly. Unscrew and remove screw
(591164) from end of spindle. Remove from vise.
3. Support the spindle assembly vertically on a suitable drill block supporting under the rear bearing
(NRA-9). Press spindle out of rear bearing.
4. Slide the gear spacer (NRA-15) off rear of spindle.
5. Support the spindle assembly vertically on a suitable drill block. Press spindle through ring gear
(NRA-10). Grasp key (NRA-43) and remove from
key slot.
6. Support the spindle assembly vertically on a suitable drill block. Press spindle through front bearing
(NRA-16).
Assembly
1. Make sure all parts are clean.
The Motor Reassembly
1. Place the front endplate (NRA-7) over the rotor
(NRB-5). (The recessed side of the endplate faces
the output of the motor assembly.)
2. Support the assembly with the output end up on a
suitable drill block. Press the bearing (NRA-8) onto
MODELS
52 RA

models 52 ra - Henry Tools

Transcription

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