Dynabrade 52374 Manual - Page 7
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Preventative Maintenance Schedule
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 included in
motor tune-up kit are identified by High Wear and Medium Wear items.
LEGEND
X
Type of wear, no other
comments apply.
L
Easily lost. Care during
assembly/disassembly.
D Easily damaged.during
assembly/disassembly.
R1 Replace each time tool is
disassembled.
R2 Replace each second
time tool is disassembled.
96532 – 1 Hp. Motor Tune-Up Kit
•
Tune-Up Kit includes high wear
and medium wear motor parts.
For All 1Hp Type 1 Wheel Grinders
Parts Common to all Models:
Index Part
Description
#
Number
1
96511
Hex Nut
51964
Flange Washer
2
51963
Flange Backup
3
53624
Wheel Guard
4
5
51961
Housing Cover
6
96498
Wave Spring
7
95438
O-Ring
8
53620
Motor Adapter
9
53615
Wheel Adapter
10
54520
Bearing
11
51951
Shim Pack
12
51922
Front Bearing Plate
13
51927
Rotor Spacer
14
51921
Rotor
15
51926
Blade (4/pkg.)
16
96441
Pin (2)
17
51925
Cylinder
18
51923
Rear Bearing Plate
19
02057
Bearing
20
96445
Pin (2)
21
51924
Gasket
22
Governor Assembly
51930
12,000 RPM
51931
15,000 RPM
23
96444
Pin
24
51949
Safety Lever Assembly
51946
Valve Stem Assembly
25
(Incl. 96443 O-Ring)
26
Housing
See Note
27
51945
Valve Seat
28
51942
Baffle
29
51941
Spring
30
51944
Tip Valve
31
51943
Spring
32
96442
O-Ring
33
51940
Spacer
34
51939
Silencer Plate
35
51937
Inlet Bushing
[Incl.(2) 51938 Screens]
Note: Please refer to page 4 of tool manual for specific part number.
7
Number High Wear Medium Wear Low Wear Non-Wear
Required
100%
70%
1
1
1
1
1
1
1
L
1
1
1
X
1
L
1
1
X
1
4
X
2
1
1
1
X
2
1
X
1
1
1
L
1
1
X
1
1
1
1
1
X
1
1
L
1
1
1
30%
10%
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X