Dynabrade 53103, Operating And Maintenance, Page: 7 / 8

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.
Parts Common to all Models:
Preventative Maintenance Schedule
Pistol Grip Drills
Index Part Description Number High Wear Medium Wear Low Wear Non-Wear
# Number Required 100% 70% 30% 10%
1 52753 Vacuum Shroud 1 X
2 31900 1" Dia. Hose Cuff 1 X
3 97029 Hose Clamp 1 X
4 53219 Locking Knob 1 X
5 02276 Shroud Base 1 X
6 40029 Motor Lock 1 X
7 02275 Screw 2 L
8 02272 Sleeve 1 X
9 53034 1/2" Chuck 1 X
10 96526 3/8" Keyless Chuck 1 X
11 55031 Felt Seal 1 T
12 04014 Screw 2 T
13 01041 Fitting 2 T
14
See pg 4
Cover — X
15
See pg 4
Cover — X
16
See pg 4
Clamp Collar — X
17 53163 Handle Assembly 1 X
18 04114 Nut 1 T
19 02552 Bearing 4 X
20
See pg 4
Pin — X
21 See pg 4
Bearing — X
22
See pg 4
Gear Planet — X
23
See pg 4
Carrier 1 X
24 53191 Ring Gear 2 X
25 53188 Spacer 1 T
26
See pg 4
Carrier — X
27 01007 Bearing 1 T
28 01293 Shim 1 T
29 01294 Shim 1 T
30 53183 Front Bearing Plate 1 X
31 01010 Spacer 1 T
32 01028 Cylinder 1 X
33 04009 Rotor 1 X
34 01057 Vane 4 T
35 50767 Pin Spring 1 X
36 55027 Rear Bearing Plate 1 X
37 02649 Bearing 1 T
38
See pg 4
Housing 1 X
39 31926 Vacuum Hose 1 X
40 55024 Grip 1 X
41 96025 Pin 1 T
42 02271 Vacuum Hose Holder 1 X
43 56023 Inlet Bushing 1 X
44 02274 Washer 1 L
45 57066 Muffler Body 1 X
46 56027 Muffler Insert 1 X
47 56028 Muffler Cap 1 T
48 31905 Swivel Hose Cuff 1 X
49 55051 Valve Stop 2 L
50 96147 O-Ring 1 T
51 55041 Valve 1 T
52 02027 O-Ring 2 T
53 50939 O-Ring 1 T
54 55039 Bushing 1 X
55 96069 Spring 1 T
56 55052 Valve Stem 1 L
57 55043 Trigger Post 1 L
58 50936 Pin 1 T
59 55035 Trigger 1 X
60 55058 Trigger Assembly 1 X
7
Tune-Up Kit
Part No. 96047
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.