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MAINTENANCE
1. DO make sure any pump that has residual system
pressure in it, or that has handled high vapor pressure
liquids, such as LP-gas, ammonia, Freons, etc., has been
vented through the suction or discharge lines or other
openings provided for this purpose.
2. DO make sure that if the pump is still hooked to the driver
while maintenance is being performed that the driver has
been "locked out", so that it cannot be inadvertently started
while work is being done on the pump.
3. DO make sure any pump that has handled a corrosive,
flammable, hot, or toxic liquid has been drained, flushed,
vented and/or cooled before it is disassembled.
4. DO remember that a few simple preventative maintenance
procedures such as periodic lubrication, adjustment of end
clearance, examination of internal parts, etc., will extend
the service life of your pump.
5. DO obtain, read and keep maintenance instructions
furnished with your pump.
6. DO have spare parts, pumps or standby units available,
particularly if the pump is an essential part of a key
operation or process.
7. DON'T drop parts during disassembly, e.g., idler can slip
from the pin as the head is removed from the pump. It may
cause personal injury or damage the part.
8. DON'T stick fingers in the ports of a pump. Serious injury
may result.
9. DON'T spin the idler on the idler pin. Fingers may be
jammed between teeth and crescent.
© 2019 Viking Pump, Inc. • Cedar Falls, IA
ESB-515
Effective 25-July-19
LUBRICATION OF VIKING PUMPS
General Description
Usage
of Grease Used
of Grease
by Viking
Grease used
Premium EP,
for anti-friction
Multi-purpose
bearings, sleeve
polyurea base
bearings and
grease
lantern rings
Grease used for
bracket bushing
Petrolatum
when seal is
behind rotor
Grease used for
Edible Grease,
O-Pro™ Seal
aluminum complex
Lubricate each grease fitting every 500 hours of operation or
every six months, whichever occurs first. If service is severe,
grease more often. Be sure the grease is compatible with the
grease used by Viking. Grease used for the bracket bushing
and O-Pro™ Seal should be compatible with the liquid being
pumped.
Reservoir on Ammonia Pumps: The Series 4924A ammonia
pumps are shipped without oil in the reservoir. Before start-
up, fill the reservoir with one pint of Light Refrigeration Oil that
is compatible with the Neoprene seal and with a maximum
viscosity of 15,000 SSU at operating temperature. Drain
and refill the reservoir after the first 200 hours of operation
and every 1000 hours thereafter. Refer to Technical Service
Manual TSM 1467.
Pumping Chamber of Stainless Pumps: All internal parts
are coated with test fluid to avoid galling when the pump is
first installed. Be sure the pump is kept full of liquid when in
operation to prevent damage to the pump.
LUBRICATION OF VIKING REDUCERS
Viking gear reducers, "A", "B", "C" sizes use SAE 30 oil above
32°F and SAE 10W oil below 32°F.
• A Size: 3/8 PT. (6 oz)
• B Size: 1/2 PT. (8 oz.)
• C Size: 2-1/4 PT. (36 oz.)
Viking gear reducers are shipped less oil. Before start-up, fill
to proper level with quantity and type of oil shown in box at
left. After first 100 hours of operation, drain and refill with new
lubricant. Check lubricant level every 2000 hours or every six
months. Once each year, drain and refill.
LUBRICATION OF VIKING
ASSOCIATIVE EQUIPMENT
Check any motor, coupling, gear reducer or other drive
equipment for manufacturer's instructions and lubricate as
recommended.
TSM 1741 | Issue B | Page 19 of 20
Viking
Recommended
Supplier
Any NLGI Grade
2 premium quality,
multi-purpose,
polyurea grease
Chevron
Petrolatum
Snow White
Chevron FM ALC
EP 0, 1, 2
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