1
2
3
2
3
4
28
Important:
Note seal direction
Apply Loctite #290
when assembling
29
30
31
29
7
5
15
6
See
gure A
8
9
12
11
13
14
16
17
10
18
6
8
9
10
11
19
16
17
10
18
6
8
9
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20
17
21
22
23
24
25
26
27
26
22
23
24
25
21
27
Appendix E—D891 and T891 Head and Valve Holddown Assembly Details
Head Holddown Assembly (4-1/2")
Suction with Unloader Suction (Standard)
CAUTION: Always relieve pressure in the
unit before attempting any repairs.
Valve Assemblies (4-1/2")
Suction Valve Discharge Valve
Unloader Assembly Part Details
Figure A
Holddown Assembly (4-1/2")
Discharge
36
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