53
M
ai
nt
ena
nc
e
Exploded view
Pump head
No.
Part names
# of parts
1
Pump head
1
2
Fitting
1
3
Fitting nut
3
4
Air vent body B
1
5
Lock nut
1
6
Diaphragm
1
7
Retainer
1
8
Air vent body A
1
9
Valve guide
4
10
Valve seat
4
11
Valve
4
12
Valve gasket
2
13
O ring
2
14
Diaphragm spacer
*
15
Hex. socket head
bolt [PW•SW]
4
16
Adjusting screw
1
18
O ring (P4)
1
19
O ring (P10A)
1
20
O ring (P10)
1
24
Hose stopper
3
25
Hose adaptor
3
26
O ring (P9)
3
28
Bolt cover
4
26
26
24
24
25
25
26
25
24
15
28
1
3
2
10
11
9
10
11
9
12
13
12
9
11
10
9
11
10
13
16
19
18
8
20
4
3
5
3
6
7
14
*
The number of diaphragm spacers
varies with pump model.