Bendix Commercial Vehicle Systems BA-921 COMPRESSOR_STD/CLOSED ROOM - Manual (Page 10)

10
FIGURE 16 – BA-921 ® CLOSED ROOM COMPRESSOR EXPLODED VIEW.
See Figure 11 for
Port Details.
28 Crankcase
Cover
21 Crankcase
13 Cylinder Head
16 Valve Plate
Assembly
15 Cooling Plate
4 Unloader Cover
2 Unloader Cover Cap Screws (2)
10 Unloader Piston
6 Unloader Balance Piston
14 Head Gasket
(2)
9 O-Ring
5 Unloader Cover Gasket
27 Bottom Cover
Gasket
12 ST-4 ™ Safety Valve
8 Spring
1 Head Cap Screws (6)
(include washers)
7 O-Ring
17 Inlet Reed Valve/
Gasket
20 Bearing
29 Cap
Screws (4)
11 O-Ring
30
Governor
Gasket (2)
31
Governor
Adapter
32 Bolt
with
Washer
(2)
Crankcase
Alignment
Pins
Alignment
Bushings
Kit Notes:
Kit 1: Cylinder Head Gasket
Kit (K022563)
Kit 2: Unloader Kit (5008557)
Kit 3: Governor Adapter Kit
(5008561)
Item Qty. Description
23
1 Rear Bearing (see Fig. 15)
24 1 O-Ring (see Fig. 15)
25 1 Rear End Cover (see Fig. 15)
26 4 Cap Screws (see Fig. 15)
27 1 Bottom Cover Gasket
28 1 Crankcase Cover
29 4 Cap Screws
30 2 Governor Gasket - (Kit 3)
31 1 Governor Adapter - (Kit 3)
32 2 Bolt with Washer - (Kit 3)
Item Qty. Description
1
4 Head Cap Screws
2 2 Unloader Cover Cap Screws
3 1 Unloader Cover Splash Shield
4 1 Unloader Cover
5 1 Unloader Cap Gasket - (Kit 2)
6 1 Unloader Balance Piston - (Kit 2)
7 1 O-Ring - (Kit 2)
8 1 Spring - (Kit 2)
9 1 O-Ring - (Kit 2)
10 1 Unloader Piston - (Kit 2)
11 1 O-Ring - (Kit 2)
12 1 ST-4 ™ Safety Valve
13 1 Cylinder Head
14 2 Head Gaskets - (Kit 1)
15 1 Cooling Plate
16 1 Valve Plate Assembly
17 1 Inlet Reed Valve/Gasket - (Kit 1)
18 1 Piston
19 1 Connecting
Rod
20 1 Bearing
21 1 Crankcase
22
1 Crankshaft (see Fig. 15)