Dynabrade 10784, Safety, Operation And Maintenance Manual

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This service chart is published as a guide to expectant life of component parts. The replacement levels are based on average tool
usage over one year. Dynabrade Inc. considers one year usage to be 1,000 hours or 50% of a man year.
Parts Common to all Models:
Preventative Maintenance Schedule
For All 8" Random Orbital Polishers
Index Part Description Number High Wear Medium Wear Low Wear Non-Wear
# Number Required 100% 70% 30% 10%
1 96168 Screw 1 X
2 94594 Washer 2 X
3 50855 Pad 1 N/A N/A N/A N/A
4 94595 Spacer 1 X
5 95217 Screw 2 X
6 61373 Counterweight 1 X
7 95235 Screw 3 X
8 57069 Balancer Shaft 1 X
9 56052 Bearing 1 X
10
See Note
Orbital Head 1 X
11
See Note
Orbital Head Assembly 1 X
12
See Note
Spindle 1 X
13 18563 Key 1 L
14 18562 Retaining Ring 1 T
15 18561 Bearing 1 T
16 18560 Screw 4 L
17 18559 Washer 4 L
18 18902 Spindle Cap 1 X
19 18593 Bevel Gear 1 X
20 18557 Wave Washer 1 L
21 18556 Retaining Ring 1 D
22 18555 Bearing 3 T
23 18554 Spacer 1 X
24 18552 Housing 1 X
25 18553 Handle 1 X
26 18551 Plug 1 X
27 18594 Pinion Gear 1 X
28 18568 Bearing 1 T
29 18569 Front Bearing Plate 1 X
30 18570 Blade (4/pkg.) 4 T
31 18595 Rotor 1 X
32 18571 Cylinder 1 X
33 18572 Pin 1 X
34 18573 Rear Bearing Plate 1 X
35 18567 Retaining Ring 1 D
36 18574 O-Ring 1 T
37 18576 Gasket 1 T
38 18577 Spacer 1 X
39 18578 Gasket 1 T
40 18579 Valve Housing 1 X
41 18559 Washer 4 L
42 18580 Screw 4 X
43 18601 Grip 1 X
44 18581 Valve Stem 1 X
45 18582 Safety Throttle Lever 1 L
46 18583 Pin 1 L
47 18584 Valve Seat 1 X
48 18585 Valve Pin 1 X
49 18586 Valve 1 X
50 18587 Valve Spring 1 X
51 18588 Gasket 1 X
52 18589 Exhaust Retainer 1 X
53 18592 Exhaust Bushing 1 X
54 18590 O-Ring 1 X
55 18591 Inlet Bushing 1 X
56
See Note
Label 1 X
98224 – Motor Tune-Up Kit
LEGEND
T Included in Tune-Up Kit
X Type of wear, no other
comments apply.
L Easily lost. Care during
assembly/disassembly.
D Easily damaged during
assembly/disassembly.
R Replace each time tool is
disassembled.
Note: Please refer to page 4 of tool manual for specific part number or number required.
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