Section
Page
- C8
MAR 98
Copyright 1998
Printed in U.S.A.
One Lincoln Way
St. Louis, Missouri 63120-1578
(314) 679-4200
FORM 402817
- 127I
Model No. 83668
AIR OPERATED GREASE PUMP
Series "F"
TO FILL RESERVOIR
Use Manual Filler Pump 81834 to fill reservoir
through the filler fitting in the pump body. Attach
coupler on delivery hose to filler fitting. Stroke
filler pump handle until lubricant weepage is noted
at air vent hole in the reservoir (lower portion of
follower must rise beyond air vent hole to expel
entrapped air from lubricant). NOTE: When filling
the reservoir, caution should be used as extreme
pressure can cause damage to reservoir and
follower assembly.
TO PRIME SYSTEM
SUPPLY LINES: After pump reservoir has been
filled with recommended lubricant, remove all
plugs in dead ends of the injector manifolds
and supply lines. Operate pump until lubricant
flows from any plug opening. Close opening
with plug. Continue operating pump until
lubricant flows from another plug opening.
Repeat this procedure until all supply lines are
primed.
FEEDER LINES: Fill each feed line with lubricant
before connecting tines to outlet of injectors
and bearings. This will prevent having to cycle
each injector for every inch of feeder line
between injector and bearing.
INJECTORS: Check each individual injector for
proper operation.
The total quantity of lubricant needed for the lubrication
cycle of the system must not exceed the lubricant
discharged per pump stroke.
RATIO
OUTPUT
PER
STROKE
(CU. IN.)
RESERVOIR
CAPACITY
AIR
INLET
LUBRICANT
OUTLET
LUBRICANT OPERATING PRESSURE (PSI)
TYPE OF
SYSTEM
MINIUM MAXIMUM RECOMMENDED
20:1 * .450
4 -1/4 pints
(123 cu. in.)
1/4" NPT
Female
1/4" NPT
Female
SL-32
SL-33
1,200
with
60 PSIG Air
3,500
with
175 PSIG Air
1,500
with
75 PSIG Air
*Based on lubricants that are free from entrapped air. Lubricants that are aerated will reduce output of pump. The
83668 Pump is used as the pumping unit for a Centralized Lubrication System having a single circuit of SL-32 or
SL-33 Injectors. It is an air-operated, single-stroke, spring-return pump that discharges .450 cu. in. into the
circuit for each pump cycle.
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