Dynabrade 52567 Посібник з техніки безпеки, експлуатації та обслуговування - Сторінка 5
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Disassembly Instructions - 1hp Right-Angle Disc Sander
Important: Manufacturer's warranty is void if tool is disassembled before warranty expires.
Disconnect tool from power source before tool repair.
Right Angle Head Disassembly:
1. Remove side handle, abrasive and backup pad.
2. Secure 53600 Right Angle Housing, against both side handle bosses, in a padded vise with spindle facing upward.
3. Using 97782 Pin Wrench ( ordered separately ) or an adjustable pin wrench, remove 50963 Retainer. (Left Hand Threads)
4. Remove 53609 Felt Seal from retainer.
5. Pull Spindle and gear assembly from housing.
6. Press spindle through 97679 Bearing and spiral bevel gear.
7. Remove shims and 53608 Wick from right angle housing.
8. Remove 53650 Lock Ring from right angle housing (Left Hand Threads) and from motor housing (Right Hand Threads).
9. Remove angle head from vise and remove 96325 Bearing by pressing 53649 Gear Oil Plate through housing.
10. Pull pinion gear, bearing and coupler sub-assembly from angle housing.
11. Secure pinion gear wrench flats and remove the 51969 Coupler (twist counterclockwise).
12. Secure 53635 Adapter using 95049 3/16" Hex Key wrench and remove pinion gear (twist counterclockwise).
13. Press 53635 Adapter through 01266 Bearing.
Right Angle Head Disassembly Complete.
Motor Disassembly:
1. Remove 53651 Spacer and 96498 Wave Spring from housing assembly.
2. Pull motor assembly from housing, and remove 53620 Motor Adapter with 95438 O-Ring.
3. Remove governor assembly by using a slotted screwdriver. (Left Hand Threads)
4. Using 96209 Repair Clamp ( ordered separately ), secure 51925 Cylinder and place a 1/8" (3mm) drift pin to the base of the terminal thread and
press the 51921 Rotor from the 02057 Rear Bearing.
5. Slide 02057 Rear Bearing from 51923 Rear Bearing Plate.
6. Remove 51925 Cylinder and 51926 Blades.
7. Secure 51921 Rotor in padded vise and remove 51969 Coupler (twist counterclockwise).
8. Slide 51922 Front Bearing Plate and 51927 Rotor Spacer from 51921 Rotor.
9. Slide 54520 Bearing and shims from 51922 Front Bearing Plate.
Motor Disassembly Complete.
Housing Disassembly:
1. Secure housing using 51989 Repair Collar ( see back cover for Optional Accessories ).
2. Remove inlet bushing with muffler assembly (twist counterclockwise).
3. Remove 53682 Gasket, 51943 Spring, 96442 O-ring, 51940 Spacer, 94528 Felt Silencer, 53686 Muffler Cap, 94924 Wave Spring and 53683 Spacer
from 53681 Inlet Bushing.
4. Remove 51944 Tip Valve and 51945 Valve Seat.
5. Remove housing and 51989 Repair Collar and lay collar on bench with flange facing down so it is supporting throttle lever. Place a 3/32" (2.4mm) drift
pin on 96444 Pin and tap pin thru housing.
6. Remove 51946 Valve Stem Assembly.
7. Remove 96443 O-Ring from 51946 Valve Stem Assembly.
Housing Disassembly Complete.
Assembly Instructions - 1hp Right-Angle Disc Sander
Motor Assembly:
Important: Be sure parts are clean and in good repair before assembling. Follow lubrication and torque specifications.
1. Place 51921 Rotor into a padded vise with male thread facing upwards.
2. Slip 51927 Rotor Spacer over rotor shaft and down against rotor body face.
3. Press 96441 Coiled Pin into 51922 Front Bearing Plate. Make certain, coiled pin does not protrude beyond internal bearing surface.
4. Place a .002" shim into the base of 51922 Front Bearing Plate as an initial spacing and slide 54520 Bearing to the front plate base.
Note: 51951 Shim Pack contains /001" and .002" shims.
5. Slip bearing/bearing plate assembly onto rotor. Add one drop of Loctite
into place (Torque to 17 N•m 150 lb.-in.).
6. Check clarence between rotor and front bearing plate by using a .001" feeler gauge. Clarence should be between .001" – .0015". Adjust clarence by
repeating steps 4 and 5 with different shims if necessary.
7. Once proper rotor gap clarence is achieved, install well lubricated 51926 Blades (4) into rotor slots. Dynabrade recommends lubricating blades
with 95842 Air Lube.
8. Install 51925 Cylinder over rotor and front plate raised boss. Align coiled pin on front plate to cylinder slot.
9. Press 96441 Coiled Pin into blind hole on 51923 Rear Bearing Plate. Press (2) 96445 Coiled Pins into the back side of rear bearing plate.
10. Peel backing off 51924 Gasket and apply it firmly in place onto 51923 Rear Bearing Plate.
11. Place 51923 Rear Bearing Plate over rotor mandrel and insert raised boss on rear bearing plate into cylinder diameter, while inserting short coiled pin
into cylinder slot. Be sure inlet slot on rear bearing plate line up with inlet slot on cylinder. To correct alignment Flip cylinder end to end and repeat
steps 8 & 9 for correct assembly.
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#243 (or equiv.) to 51921 Rotor 3/8"-24 male thread and screw 51969 Coupler
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