
F
riStam
P
umPS
10
Models 58-130: If the rotor nut gasket fails, the threaded hole on the rotor nut and the threads
on the end of the shaft will need to be cleaned. A wire brush is recommended for cleaning
these threads.
L
ubrication
Gearbox
- The oil level should be maintained in the center of the sight glass on the side of the
gearbox housing. The oil should be changed every 4000 hours under normal conditions and
every 2000 hours under severe conditions. See the oil capacity listing in the front.
Elastomers
- Use a food grade lubricant on o-rings and gaskets unless otherwise specified. If
using EPDM o-rings or gaskets, an oil-based lubricant can’t be used.
p
erioDic
m
aintenance
Periodically inspect the pump housing, cover and rotors for any signs of wear or damage. If
wear is present this could be a sign of over pressurization, incorrect rotor gap or bearing wear.
S
eaL
r
epLacement
Begin all pump maintenance by disconnecting the energy source to the pump.
Observe all lock out/tag out procedures as outlined by ANSI Z244.1-1982 and
OSHA 1910.147 to prevent accidental start-up and injury.
t
ooLS
requireD
For
SeaL
repLacement
:
15:
10 mm wrench
100L & S:
19 mm wrench
5 mm Allen wrench
41 mm socket
Flat cover rotor bolt tool
6 mm Allen wrench
(included w/pump)
1” socket for flat cover tool
58L & S:
13 mm wrench
130 L & S:
24 mm wrench
24 mm socket
50 mm socket
6 mm Allen wrench
Flat cover rotor bolt tool
(included w/pump)
1” socket for flat cover tool
75L & S:
17 mm wrench
All Models: Torque wrench
30 mm socket
1/2
” dowel
5 mm Allen wrench
Soft-faced hammer
Flat cover rotor bolt tool
Small flat blade screwdriver
(included w/pump)
Feeler gauges
1” socket for flat cover tool
!