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Component Identification
Item
Quantity
1
6
Head Bolts
2
2
Unloader Cover Screw
3
1
Plug
4
1
Unloader Cover
5
1
Unloader Cover Gasket
6
1
Unloader Balance Piston
7
1
O-Ring
8
1
Balance Piston Spring
9
1
O-Ring
10
1
Unloader Piston
11
1
O-Ring
12
1
Bendix
13
1
Cylinder Head
14
2
Head Gasket
15
1
Cooling Plate
16
1
Valve Plate Assembly
17
1
Inlet Reed Valve Gasket
18
1
Piston Assembly
19
1
Connecting Rod
20
1
Sleeve Bearing
21
1
Crankcase
22
1
Crankshaft
23
2
Alignment Bushings
24
1
O-Ring
25
1
Rear End Cover
26
4
Cap Screw
27
1
Bottom Cover Gasket
28
1
Crankcase Cover
29
4
Cap Screws
30
1
Rear Cover Plate Gasket
31
2
Crankcase Alignment Pins
32
1
Rear Cover Plate
33
2
Cap Screw
34
2
Lockwasher
35
1
Inlet Fitting
36
1
Top Coolant Fitting
37
1
Discharge Jumper
38
4
Discharge Jumper Screw
39
4
Discharge Jumper Washer
40
2
Discharge Jumper O-Ring
41
1
Discharge Jumper Plug
42
1
Plug
43
1
Plug
Description
ST-4
Safety Valve
®
™
Maintenance Kits and Service Parts
Item
Quantity
Cylinder Head Gasket Kit P/N K023764
14
2
Head Gasket
17
1
Inlet Reed Valve Gasket
Discharge Jumper Kit P/N K092848
12
1
Bendix ST-4 Safety Valve
37
1
Discharge Jumper
38
4
Discharge Jumper Screw
39
4
Discharge Jumper Washer
40
2
Discharge Jumper O-Ring
41
1
Discharge Jumper Plug
Safety Valve P/N K035675
12
1
Bendix
Seal Kit P/N K115315
24
1
O-Ring
27
1
Bottom Cover Gasket
30
1
Rear Cover Plate Gasket
40
2
Discharge Jumper O-Ring
Special Fittings Kit P/N K115314
35
1
Inlet Fitting
36
1
Coolant Fitting
Unloader Kit P/N K109119
2
2
Unloader Cover Screw
5
1
Unloader Cover Gasket
6
1
Unloader Balance Piston
7
1
O-Ring
8
1
Balance Piston Spring
9
1
O-Ring
10
1
Unloader Piston
11
1
O-Ring
N/A
1
Grease Pack
Installation Kit P/N K092868
N/A
1
Inlet Hose
N/A
1
Coolant Hose
N/A
1
Coolant Fitting (Union)
N/A
3
Hose Clamp (Coolant)
N/A
3
Hose Clamp (Inlet)
N/A
1
Synflex
N/A
1
Unloader Line Fitting (Union)
Volvo
P/N 992065
®
N/A
1
Front Flange O-Ring (see note 1)
Volvo P/N 977650
N/A
1
Oil Supply Line (see notes 1 & 2)
1. Available from Volvo
distributor or dealer only.
®
2. Required to retrofit the Bendix
MP7 or MP8 engine.
Description
ST-4
Safety Valve
®
™
Tubing
®
SNA-01
compressor on a Mack
®
™
®
9
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