Grundfos JP Service Instructions

English (GB)
7
5.5 Dismantling the motor shell
Fig. 9 Dismantling the motor shell
1. Remove the terminal box cover (52) by loosening the three
screws (53).
2. Disconnect the power cable as required. Follow the
instructions in section 5.6 Disconnecting the power cable from
the terminal box.
3. Remove the upper motor shell (44) by loosening the six
screws (45).
4. Remove the shell grid (43).
5. Remove the foot (56) by loosening the screw and nut (26).
6. Remove the lower motor shell (42).
5.6 Disconnecting the power cable from the terminal
box
1. Locate the power-supply terminal and cable clamp inside the
terminal box.
Fig. 10 Disconnecting the power cable
2. Loosen the three cable conductorsfrom the terminal box.
3. Loosen the screw that holds the cable clamp.
4. Pull the cable through the cable gland located on the side of
the terminal box.
5.7 Removing the motor fan
Fig. 11 Removing the motor fan
1. Remove the motor fan (14) from the shaft with two large flat
screw drivers. Make sure to use sufficiently large screw
drivers. Place the screw drivers between motor flange and fan
at any two points.
TM07 3814 0519
44
45
52
53
43
14
56
42
26
If you are replacing the motor shell (42, 44),
disconnect the power cable in the terminal box.
If you are replacing the impeller (19) or shaft seal
(16, 16a), you do not need to disconnect the power
cable in the terminal box.
TM07 3836 0519TM07 3816 0519
14

Grundfos JP Specifications

General

Power supply	Electric
Material	Stainless Steel, Cast Iron
Applications	pressure boosting
Pump Type	Self-priming centrifugal pump
Horsepower	1.5 HP
Phase	Single-phase
Inlet Size	1 inch
Outlet Size	1 inch