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CUSTOM AIR CONDITIONING
18-47
SHOE DISC
PART NO.
IDENTIFICATION
MIN. FEELER
ENDING IN
STAMP
GAGE READING
000
0
.oooo
175
17-112
.0175
180
18
.0180
185
18-112
.0185
1 90
19
.0190
195
19-112
.0195
200
20
.0200
205
20-1 I 2
.0205
21 0
2 1
.0210
215
21-112
.0215
220
22
.0220
THRUST BEARING RACE
PART NO.
IDENTIFICATION
DlAL INDICATOR
ENDING IN
STAMP
READING
000
0
.oooo
050
5
.0050
055
5-112
.0055
060
6
.0060
065
6-112
.0065
070
7
.0070
075
7-1 I 2
.0075
080
8
.0080
085
8-1 I 2
.0085
090
9
.0090
095
9-1 I 2
.0095
1 00
10
.0100
105
10-112
.0105
110
11
.0110
115
11-112
.0115
120
12
,0120
0'
Fig.
18-68
Available
1977
A-6 Service Shoes and Thrust Races
POSITION POSITION
1
2
PISTON NO. 1
.019"
.0195"
.019"
19
1
PISTON NO. 2
.020"
.020"
.020"
1
20
1
Fig. 1
B-69
Selection of Proper
1977
A-6 Shoe Disc
PISTON NO. 3
.021"
.02 1
"
.022"
DlAL INDICATOR
SLEEVE
J-8001-2
l b
CLAMP
J-8001-3
J-8001-1
\
\
21
Fig.
18-70
Gaging
1977
A-6 Rear Thrust Race
Fifteen (15) thrust races are provided in increments of
091
4
.0005" (one-half thousandths) thichess and one ZERO gage
thickness, providing a total of 16 sizes available for field
I
CHECKING FOR
FRONT THRUST
GIVES PROPER
CHECKING FOR SHOE
HEAD CLEARANCE
THICKNESS "X"
Fig.
1B-71
Checking
1977
A-6 Piston and Shaft End Play
service.
This "number" also corresponds to the last three digits
of the piece part number. See Thrust Race size Chart in Fig.
1B-68.
22. Remove nuts from top plate of Compressing Fixture
J 9397, and remove top plate.
23. Separate cylinder halves while unit is in Fixture. It
may be necessary to use a wood block and mallet.
24. Remove rear cylinder half and carefully
remove one piston a t a time from axial plate and
front
cylinder
half.
DO
NOT
LOSE
THE
RELATIONSHIP of the front ball and shoe disc and
rear ball. Transfer each piston, ball and shoe disc
to its proper place in Parts Tray J 9402.
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