Dynabrade 53523 Інструкції з техніки безпеки, експлуатації та обслуговування - Сторінка 6

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Important: Manufacturer's warranty is void if tool is disassembled before warranty expires. Please refer to parts breakdown for part identification.

12. Press 02057 Bearing onto rotor and into 51923 Rear Bearing Plate until it is seated. Important: Cylinder must fit snug between bearing

plates. If too tight, rotor will not turn freely. Rotor must be lightly tapped at press fit end until rotor spins freely while still maintaining a

snug fit. A loose fit will not achieve the proper preload on motor bearing.

(While pressing 02057 Bearing, make certain to contact inner race of bearing only using 96244 Bearing Press Tool (order separately).

13. Add one drop of Loctite

243 (or equiv.) to governor assembly male thread and screw governor assembly onto place (LEFT HAND THREAD) with a

slotted screw head. Torque to 2 N•m (18 lb.-in.).

14. Install motor assembly into housing, making sure motor drops all the way into housing. Note: Align both 96445 Coiled Pins to slots in

insert and against 51924 Gasket.

Gear Casing Assembly:

1. Press 54520 Bearing into front end of 53695 Planetary Retainer.

2. Install gears with needle bearings and assemble onto carrier by pressing shaft into place.

3. Place 96498 Wave Spring at the base of 53695 Planetary Retainer.

4. Slide planetary carrier assembly into 53695 Planetary Retainer and through 54520 Bearing.

5. Apply one drop of #243 Loctite

Using 53698 Carrier Wrench (order separately).

6. Apply one drop of #243 Loctite

7. Install 53665 Ring Gear onto 54520 front motor bearing with ring slots facing outward.

8. After threaded surfaces have been properly cleaned and primed, apply a small amount of #567 Loctite

Retainer over ring gear in place.

Important: Align rotor spline to planet gears to allow carrier to spin freely

9. When slots from ring gear line up with set screw hole. Apply a small amount of #567 Loctite

10. Torque 53695 Planetary Retainer to housing using 35 N•m (310 lb.-in.).

11. Slide 95438 O-ring over 53620 Adapter and into groove.

12. Slide 53620 assembly into 53695 Planetary Retainer with C'bore facing 54520 Bearing.

13. Place 96498 Wave Spring over threaded adapter and against 53620 Adapter.

14. Apply a small amount of #243 Loctite

Torque to 35 N•m (310 lb.-in.).

15. Place 50902 Coupler Insert half way onto 51969 Coupling Nut.

Extension Assembly:

1. Press 01139 Bearings onto long end of 93688 Extension Spindle one at a time using 96244 Bearing Press Tool (order separately).

For 53548 Extension Sub Assembly

2a. Secure 93688 Extension Spindle at wrench flats and add one drop of # 243 Loctite

3a. Slide Spindle assembly into 93687 Extension Housing from internal threaded end.

4a. Place 98325 Wave Washer into Housing bore on opposite end and slide 01007 Bearing over spindle assembly and up against the Wave Washer.

5a. Secure the first 51969 Coupling Nut already installed using a 9/16 hex socket, Add one drop of # 243 Loctite

Nut to 17 N•m (150 lb.-in.).

For Spindle Adapter Extension Sub Assembly

2b. Slide 51956 Felt Seal into 93689 Extension Cap and place sub assembly against 01139 Bearing with slots facing outward. Secure 93688 Extension

Spindle at wrench flats and add one drop of # 243 Loctite

3b. Slide Spindle assembly into 93687 Extension Housing from internal threaded end. Secure 93687 Extension Housing at wrench flats in a padded vise.

4b. Add a small amount of # 243 Loctite

Wrench tool. (order separately).

5b. Place 98325 Wave Washer into Housing bore on opposite end and slide 01007 Bearing over spindle assembly. Secure 53549 Spindle Adapter at wrench flats and add

one drop of # 243 Loctite

to spindle thread. Torque 51969 Coupling Nut to 17 N•m (150 lb.-in.) using a 9/16" deep hex socket.

6. Add a small amount of # 567 Loctite

7. Secure 93686 Housing Adapter and thread extension housing to Adapter (Left Hand Thread) (turn extension housing counter clockwise) Torque extension to 35 N•m ( 310 lb.-in.).

Housing Assembly:

1. Secure housing using 51989 Repair Collar, (see back cover for Optional Accessories) with collet facing downward.

2. Install 51945 Valve Seat by aligning 3 male prongs with three deep slots on insert. Make certain valve seat is pressed flat against base of pocket.

Note: Add a few drops of Dynabrade Air Lube (P/N 95842) to pocket walls before inserting 51945 Vale Seat.

3. Install 51944 Tip Valve.

4. Preassemble muffler, slide 53683 Spacer over 53681 Inlet Bushing and up against hex head base. Slide 94924 Wave Spring over 53681 Inlet Bushing and up against

53683 spacer. Pre-roll 94528 Felt and install in 53686 Muffler Cap, support felt/muffler cap assembly and slide 53681 Inlet Bushing thru the inside until the muffler cap

assembly seats against 94924 Wave Spring. Flare the felt and place 51940 Spacer over male thread, and set 96442 O-Ring into groove at the base of thread, return felt to

unflared form. Slide 51943 Spring into bushing and up to two 51938 Screens.

5. Place 53682 Gasket over felt silencer and against 53686 Muffler Cap.

6. Apply one drop of Loctite

#243 (or equiv.) to Inlet Bushing thread.

7. Align small inside diameter of 51943 Spring to cone point on 51944 Tip Valve and thread Inlet Bushing and sub-assembly into place.

Torque bushing to 35 N•m (310 lb.-in.).

8. Slide 96443 O-Ring onto 51946 Valve Stem and slide sub-assembly until o-ring passes through housing hole. Make certain valve stem assembly slides

freely after the o-ring passes through the hole.

9. Remove housing from 51989 Repair Collar and place repair collar onto the bench top with the part number identifier against the bench. Align the throttle lever holes to

housing pin hole and rest the housing and throttle lever onto the legs of the repair collar. Press 96444 Coiled Pin into lever hole and center into housing.

Tool Assembly Complete. Please allow 30 minutes for adhesives to cure before operating tool.

Important: Before operating, place 2-3 drops of Dynabrade Air Lube (P/N 95842) directly into inlet with throttle lever depressed. Operate tool for 30

seconds to allow air lube to properly lubricate internal motor components. Motor should now be tested for proper operation at 90 PSIG max. If tool operates

at a higher RPM than marked on the tool or if vibration and sound levels seem abnormal, the tool should be serviced to correct the cause before use.

Assembly Instructions -

to threads of 93696 Adapter and secure to carrier. Torque to 17 N•m (150 lb.-in.).

to threads of 51969 Coupling Nut and secure to adapter. Torque to 17 N•m (150 lb.-in.).

to 53695 Planetary Retainer thread and install 93686 Adapter onto planetary retainer.

to Spindle thread. Torque 53549 Spindle Adapter onto Extension Spindle to 17 N•m (150 lb.-in.).

to male thread of 93689 Extension Cap (Left Hand Thread) torque to 12 N•m (150 lb.-in.) and tighten it to extension housing using 50971 Pin

to male thread of 93687 Extension Housing.

(Continued)

to male thread of motor Housing and thread 53695 Planetary

to 04014 Set Screw and install to lock ring gear in place.

to Spindle thread. Torque 51969 Coupling Nut to 17 N•m (150 lb.-in.).

to Spindle thread. Torque 51969 Coupling

Loctite

is a registered trademark of Loctite Corp.