Liquiflo
Installation, Operation & Maintenance Manual
Poly-Guard
®
Series MAG-DRIVE Gear Pumps
Models P1 thru P9, Close-Coupled
25
Appendix 1: Fastener Torque Specifications
Maximum Torque Specifications for 18-8 Stainless Steel Bolts
BOLTS for PUMP-PEDESTAL ASSEMBLY:
Function
Pump Models
Bolt Size
Bolt
Type
Qty.
(per
Pump)
Max Torque
Specifications
(in-lb)
(N-m)
Housing
Assembly
P1 - P4
5/16-18 UNC x 2-1/2
SHCS
4
132
14.9
P5 - P7
5/16-18 UNC x 3-1/4
SHCS
8
P8
– P9
5/16-18 UNC x 4-1/2
SHCS
8
Containment Can
Assembly
P1
– P9
5/16-24 UNF x 5/8
SHCS
6
142
16.1
Cartridge-Pedestal
Assembly
P1 - P4
3/8-16 UNC x 1-1/2
SHCS
4
236
26.7
P5
– P9
3/8-16 UNC x 1-5/8
BOLTS for MOTOR-PEDESTAL ASSEMBLY:
Motor
Frames
Function
Pump
Models
Bolt Size
Bolt
Type
Qty.
(per
Pump)
Max Torque
Specifications
(in-lb)
(N-m)
NEMA 56C,
143/145TC
Motor-to-Pedestal
P1
– P9
3/8-16 UNC x 1
SHCS
4
236
26.7
NEMA
182/184TC
Adapter
-to-Motor
P5
– P9
1/2-13 UNC x 1
SHCS
4
517
58.4
Adapter
-to-Pedestal
3/8-16 UNC x 1
SHCS
4
236
26.7
IEC 71
(B5 Flange)
Motor-to-Pedestal
P1 - P4
3/8-16 UNC x 1-1/2
SHCS
4
236
26.7
P5
– P9
3/8-16 UNC x 1-5/8
IEC 80/90
(B5 Flange)
Motor-to-Pedestal
P1
– P9
M10 x 40 mm
SHCS
4
327
37.0
IEC 100/112
(B5 Flange)
Adapter
-to-Pedestal
P5
– P9
3/8-16 UNC x 1
SHCS
4
236
26.7
Motor-to-
Adapter
1/2-13 UNC x 2
FH-
SHCS
4
517
58.4
SHCS = Socket Head Cap Screw
FH-SHCS = Flat Head, Socket Head Cap Screw