Dynabrade 53532 Safety, Operation And Maintenance - Page 6
Browse online or download pdf Safety, Operation And Maintenance for Grinder Dynabrade 53532. Dynabrade 53532 9 pages. 1hp extension cone or plug grinders, governor controlled
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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 onto 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.)
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.
Extension Assembly:
1. Press 01007 onto short end of 93688 Extension Spindle
2. Add one drop of #243 Loctite
3. Place 98325 Wave Washer into extension housing and slide spindle assembly into extension housing.
4. Slide 01139 Bearings and 51956 Felt Seal onto long end of 93688 Extension Spindle.
5. Tighten 93689 Extension Cap onto housing using 96347 Adjustable Pin Wrench (order separately) .
6. Secure 51969 Coupler using 13/16" deep hex socket and Torque Threaded Adapter to Spindle Assembly 17 N•m (150 lb.-in.).
7. Add a small amount of #567 Loctite
8. Align 50902 Coupling Insert onto 51969 Coupler.
9. Secure 93686 Housing Adapter and thread extension to adapter (Left Hand Thread) (turn extension housing counter clockwise).
10. Torque Extension to Adapter 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. Pre-assemble muffler, slide 53683 Spacer over 53681 Inlet Bushing and up against the hex head base. Slide 94924 Wave Spring over 53681
Inlet Bushing and up against spacer. Pre roll 94528 Felt and install it in 53686 Muffler Cap. Support felt in felt/muffler cap assembly and slide
53681 Inlet Bushing thru the inside until the muffler cap assembly seats against the 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 the 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 53681 Inlet Bushing thread.
7. Align small inside diameter of 51943 Spring to cone point on 51944 Tip Valve and thread 53655 Muffler 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.
Buy parts on line at https://Dynashop.co.uk/ for all things Dynabrade
Assembly Instructions -
®
to spindle thread and torque 51969 Coupler to 17 N•m (150 lb.-in.).
®
to male thread of 93687 Extension Housing.
(Continued)
6
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®
is a registered trademark of Loctite Corp.