6
12
A
A
Detail A
See
Detail A
C
C
1
7
SECTION A-A
SECTION C-C
13
5
5
4
4
6
3
16
15
8
9 10
13
14
17
11
Torque to 144-168 in.-lbs
[16,3-19 Nm]
2
ZRKS
By-pass
cap height
See
Fig. 5A
Figure 4, Piston Ring Assembly (6 Piston Shown)
1
DC9294101
1
Piston Ring 2 Piston
DC9221101
1
Piston Ring 3 Piston
DC9216101
1
Piston Ring 6 Piston
2
A1006245
6
1/16 Flush Plug
3
✝
BSS5358D
6
Seat, Piston Inlet
4
✝
B1005016
12
3/16" Diameter Ball
5
✝
BSS5809D
12 Spring
6
✝
BSS5357D
6
Seat, Piston Outlet
7
✝
BSS5356D
6 Retaining
Ring
8 DC9292051
1 Piston
Bypass
9
★
B1006564
1
B/U Washer
10
★
B1006803
1
O-ring, 0.25" O.D.
11
❉
DC394110
1
Spring
12
❉
(See Figure 5A)
1
Bypass End Cap
13
★
B1013203
7
O-ring, Viton, 0.56" O.D.
14
★
B1005203
1
O-ring, Viton
15 DC9244920
6 Piston
Assembly
16 BSS5509D
6 Spring
17
★
DC9293016
2
Ball Nylon 3/16"
Repair Parts List for Figure 4 (Note: part quantities will vary - quantities for 6 piston shown)
Item
Part Number Qty.
Description
Item Part Number
Qty. Description
✝
Items included in and available only as a part of Piston Check Kit ZRKS
. Each kit includes three sets of components.
Order two kits for six piston pumps.
★
Items included in and available only as a part of Seal Kit ZRK.
❉
Models built before October 2008: order a new bypass end cap when replacing spring. See Figure 5A for part numbers.
Notes: See Figure 4A for seat tool drawing. See Figure 5A for bypass cap height and piston ring assembly part number.
Corner must
be Sharp
or Undercut
See
Detail A
.153 .002
.215 .002
.315
Detail A
(scale 4:1)
64
.166
.030
.188
SECTION A-A
3.930
.379
.395
A
A
R.150
.620
1.100
Figure 4A
