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I KEEPYOUR DUSPENSnNG
LUBRICATION
--
At
least
every
6 months,
lubricate
the solution
pump
as follows:
1. Unplug the electrical
power cord,
2. Loosen the set screw in the feed control
knob
and remove the knob and bushing,
3. Remove the pump top cover,
4. Clean all the grease from the moving parts and
inspect for wear, damage or corrosion.
Replace
parts as needed
5. Lubricate
all parts with a premium grease,
NOTE: If you replace
any parts, adjust
the cam and
plate
(FIG. 14) as follows:
1. Loosen
the adjustment
plate
holding
screw.
2. Plug in the power
cord and operate
motor
until
the
block-drive
is in the extreme
rear
position_
Disconnect
power
cord.
3. Rotate
the shaft assembly
until the flat position
on the cam is bearing
on the drive
plate.
4. Tighten
the
adjustment
plate
holding
screw
while
holding
the flat of the cam against
the drive
plate.
GEARMOTOR
I
Every
6 months,
place
a few
drops
of spindle
oil on the rear rotor bearing
(right
behind
the fan).
NOTE: To get at the gear motor,
unplug
the power
cord
and remove
the
screws
holding
the
motor
housing
to the regulator
housing
(located
under
pump
head and at rear of pump). Carefully
lift the
regulator
housing
up and off_
CHECK
THE DIAPHRAGM
1. Unplug
the power
cord.
2. Remove
the 4 screws
holding
the pump head to
the housing°
3. Move the pump
head away from the pump
and
inspect
the
diaphragm
for
cracking,
swelling,
softening
or blistering.
If a new diaphragm
is need-
ed, replace
it as follows:
SHAFT ASSEMBLY
CAM
DRIVE BLOCK
!
/HOLDING
! REW
!
GUIDE SCREW /
PIVOT
DRIVE BLOCK IN
EXTREME REAR
POSITION
_
SHAFT ASSEMBLY
rf . ......
\.°.v._.w/
/ o i ojj
\
DRIVE PLATE
ADJUSTMENT
y
DIAPHRAGM SPACER
CAM
PLATE
REPLACING
THE DIAPHRAGM
--
1. Turn the diaphragm
to the left (f-")
to remove.
Discard
the diaphragm,
backup
gasket,spacer
and
washer.
(see Key No. 18, page 18).
2. Put a few drops
of oil or lightly
grease
the stud
on the new diaphragm.
Place the spacer
over the
hex nut, then
the fiber
washer.
3. Holding
the backup
gasket
in place
behind
the
diaphragm,
turn the diaphragm
into the drive plate
until
the spacer
just
touches
it. Then tighten
to
align
the mounting
holes.
4. Replace the pump head and turn in the 4 screws,
tightening
in a criss-cross
pattern.
5. Plug the power cord in and prime the head using
the guides
or] page
14.
CHECK
THE TUBING
-- Check the solution
carry-
ing tubing
and fittings
weekly
for any signs
of
leakage_ if leaking
at a holding
nut, tighten
it 1/8 to
1/4 turn. If it still leaks,
disconnect
the tubing,
cut
the end square
and reconnect
it to the fitting.
-continued-
16
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