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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.
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 1Hp Planetary Geared Die Grinders
Note: Please refer to page 4 of tool manual for specific part number.
Index
Part
Description
Number
High Wear Medium Wear
Low Wear
Non-Wear
#
Number
Required
100%
70%
30%
10%
1
50063
Collet Cap
1
X
2
See Note Collet Insert
1
X
3
50069
Collet Body
1
X
4
04032
Spindle Nut
1
X
5
53694
Planetary Cover
1
X
6
51971
Planetary Gear Casing
1
X
7
01041
Grease Fitting
See Note
D
8
04014
Set Screw
See Note
L
9
02552
Bearing
See Note
X
10
See Note Planetary Carrier
1
X
11
See Note Planetary Gear
See Note
X
12
See Note Needle Bearing
See Note
X
13
See Note Gear Shaft
See Note
X
14
See Note Ring Gear
See Note
X
15
53188
Spacer (950 RPM)
1
X
16
96498
Wave Spring
1
T, L
17
53673
Carrier (950 RPM)
1
X
18
53678
Gear Retaining Shaft
2
X
19
95438
O-Ring
1
T
20
53620
Adapter
1
X
21
54520
Bearing
1
T
22
51951
Shim Pack
1
T, L
23
51922
Front Bearing Plate
1
X
24
96441
Pin
1
X
25
51927
Rotor Spacer
1
T
26
See Note Rotor
1
X
27
51926
Blade (4/pkg.)
1
T
28
51925
Cylinder
1
X
29
51923
Rear Bearing Plate
1
X
30
02057
Bearing
1
T
31
96445
Pin
1
X
32
51924
Gasket
1
T
33
See Note Governor Assembly
1
X
34
See Note Housing
1
X
35
96444
Pin
1
T, L
36
51949
Safety Lock Lever Assembly
1
X
37
51946
Valve Stem Assembly
1
T
38
51945
Valve Seat
1
X
39
51944
Tip Valve
1
T
40
51943
Spring
1
X
41
96442
O-Ring
1
T, L
42
51940
Spacer
1
X
43
53682
Gasket
1
X
44
94528
Felt Silencer
1
T, R
45
53686
Muffler Cap
1
X
46
94924
Wave Spring
1
X
47
53683
Spacer
1
X
48
53681
Inlet Bushing
(Incl. 51933 Screen)
1
X
49
51942
Silencer
1
X
50
51941
Spring
1
X
51
51939
Silencer Plate
1
X
52
51937
Inlet Bushing
(Incl. 51933 Screen)
1
X
7
96532 – 1 Hp. Motor Tune-Up Kit