Fristam Pumps FSP Series, Original Instructions Manual, Page: 15 / 36

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9.1 Safety Instructions
– Danger of injury: Rotating parts.
 Before removing the coupling guard and the guard plate,
turn off the pump motor and prevent it from being able
to be turned on accidentally.
– Danger of burning: Pumping of hot media can cause the
pump to become very hot.
 Check the temperature before touching the pump.
 Only touch the pump if you are wearing suitable gloves.
– Acid burns and contamination from uncontrolled outflow of
liquids.
Before performing maintenance or setup work on the pump:
 Close the suction and discharge valves in front of and be-
hind the pump.
 For double shaft seal: Block off the sealing or quenching
liquid line.
 Before opening the pump completely empty the pump
casing.
– Tension cracks:
 Do not rapidly cool the pump.
– Material damage from scratching of polished surfaces:
 For a polished surface, use a copper socket wrench sock-
et.
9.2 Replacement Parts
Use of replacement parts that are not approved by Fristam can
lead to serious personal injury and material damage. If you have
any questions regarding approved replacement parts, please
contact
Fristam .
Fristam registers all shipped pumps. The serial number of the
pump is needed for ordering of replacement parts from Fristam ;
see
– rating plate or
– number stamped into pump casing.
9.3 Inspection of Sealing and Quenching Liq-
uid (Optional)
For pumps equipped for "locking system" or "quenching sys-
tem" the sealing liquid head must be checked. For information
on maintenance intervals, please see
Table 12 "Maintenance in-
tervals" page 27 .
 Check the sealing liquid head and compare with the speci-
fied value.
The specified value can be found on the "Sectional Drawing"
in the "Order-Related Documents" in the attached docu-
ments.
The sealing liquid is heated by hot pumping medium and by op-
eration of the pump.
 Ensure that the temperature T of the sealing liquid is < 70°C
during operation.
9.4 Lubrication of Motor Bearings
 Lubricate the motor bearings in accordance with the motor
manufacturer's specifications. See
"Supplier Documentation“
in the attached documents.
9.5 Lubrication of Shaft Bearing
9.5.1 Models FSPE and FSP...V
The models FSPE and FSP…V do not have additional shaft bear-
ings, and hence no shaft bearing lubrication is necessary.
bearings, and hence no shaft bearing lubrication is necessary.
9.5.2 Models L 2, L 3/L3V and L 4V
For the models L 2, L 3/L3V, and L 4V, the oil must be changed at
regular intervals.
1. Turn on the motor and let it run until the normal operating
temperature is reached.
2. Turn off the motor and prevent it from being able to be
turned on accidentally.
3. Place a suitable oil collection container under the oil drain
plug.
4. Caution! Danger of burning from hot oil.
 Wear suitable protective gloves.
 Loosen and remove the oil drain plug.
5. Drain the oil completely and dispose of oil in accordance
with local regulations.
6. Clean and remount the oil drain plug and seal.
7. Fill with new oil. We recommended using the: SAE 15W40 oil
type. Alternatively, use an equivalent brand of lubricant of
similar quality and viscosity. For the required amount, please
see
Table 4 "Oil volumes" .
9.5.3 Model L1
 Do not relubricate the deep groove ball bearing, but replace
it completely.
– At constant operating conditions, the raising of power con-
sumption, noise level or vibration indicates that wear has oc-
curred. Replace the deep groove ball bearing consequently.
Type Oil Volume
L 2 1 liter
L 3 3 liters
L 4 5 liters
Table 4 Oil volumes