Page 20
Maintenance
Tsurumi’s Operation, Service, and Repair Manual
LEGEND
A
= B + C (Tool length)
B = Overall uninstalled height of mechanical seal.
C = Depth of pump casing center bore to face of installed seal multiplied by 2.
D = Diameter of pump casing center bore (slip fit).
E = Inside diameter of mechanical seal.
Figure 4-7: Mechanical Seal Installation Tool
4-9 Replacement of Check Valve
A.
Remove three bolts (17), check valve (14), and suction case (7).
B.
Discard damaged check valve (14).
C.
Align bolt holes in replacement check valve (14) and suction case (7).
D.
Attach suction case (7) to pump casing (1).
Model Number
Shim Thickness
OD x ID
Part Number
EPT3-50HA
0.3 mm (0.012 Inch)
0.6 mm (0.024 Inch)
20 x 18 mm
(0.787 x 0.709 inch)
801-037
801-038
EPT3-80HA
0.3 mm (0.012 Inch)
0.6 mm (0.024 Inch)
1.0 mm (0.039 Inch)
24.2 x 20.0 mm
(0.952 x 0.787 inch)
1001-043
1001-044
1001-045
EPT3-100HA
0.3 mm (0.012 Inch)
0.6 mm (0.024 Inch)
1.6 mm (0.063 Inch)
0.3 mm (0.091 Inch)
* 22.2 mm (0.874 inch)
1001-040
1001-041
1001-042
1001-043
* Noted shim is a disk and does not have an inside diameter. OD = Outside Diameter / ID = Inside Diameter
Figure 4-6: Shim Dimensions
A
E
D
B
C