Herkules 11969 INSTALLATION INSTRUCTIONS
Part# 1002391
Y
A
7/15/2005
INSTALLATION INSTRUCTIONS
11969 TIMED DIAPHRAGM PUMP CONVERSION ASSEMBL
FOR CONVERTING A MANUAL SHUT OFF GUN WASHER FROM
A PISTON PUMP TO A DIAPHRAGM PUMP
Removal of Gun Washer's Piston Pump Assembling Diaphragm Pump Housing onto
Assembly Gun Washer
1) Disconnect shop air line from Gun Washer. 1) Loosely mount the 11969 diaphragm pump
2) Drain and clean inside of tub. assembly onto the gun washer stand.
3) Remove filter from inside tub.
4) Disconnect ground wire from pump. Place the two 1/4” flat washers over the 1/4”
5) Disconnect the solvent tube fittings at the tub hex bolts and insert them through the
inlet and outlet locations. housing (see fig. 1). Place the uncoated
6) Cut or disconnect the ties holding the grey ground wire over the 2” hex bolt and insert
timer tube to the Gun Washer frame. the hex bolts through the angle bracket. Align
7) Remove piston pump saddle clamp from Gun the angle bracket with the pump mounting
Washer frame. Dispose of the entire piston bracket, and attach the housing to the stand,
pump assembly, including the timer tube. with the 1/4” nuts and washers, as shown in
the diagram (see fig. 1). Finger tighten only.
Fig. 1
Bottom view
Ground Wire
Hex Bolt 1/4-20 x 2
Pump Housing
ngle Bracket
Pump Mounting
Bracket
Flat Washer
Bent Washer
Lock Washer
Hex Nut
Hex Bolt 1/4-20 x 1-1/2
Herkules Equipment Corporation 2760 Ridgeway Court Walled Lake, MI 48390-1662 USA
248-960-7100
1-800-444-4351 Fax 248-960-7109
www.herkulesequipment.com
■ info@herkules.us
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T
Fig. 2
Pump housing
Filter-regulator
3/8" Flare fitting
Upper bulkhead
Ground clamp
Lower bulkhead
1/2" Flare fitting
2) Install the 1/2” flare fitting into the lower 1/4-20 x 1" hex head bolts, washers, and nuts
bulkhead on the side of the tub (see fig 2) as loosely assembled in step 1.
A 3/8” x 1/4” reducing bushing is supplied if
needed. Grounding the Gun Washer
3) Install the 3/8” flare fitting into the upper 1) Attach the ground clamp from the pump
bulkhead on the side of the tub (see fig. 2). housing to the upper bulkhead on the side of
the gun washer tub (see fig. 2).
4) Connect the two rubber tubes between
the pump and the tub (see fig. 2). Use finger Connect the coiled ground wire attached at
force to engage threads on flare nuts. the front of the pump to the shop's ground.
Route the wire through the housing and out
a) Connect the shorter, 1/2" diameter tube the back.
from the "Material Outlet" of the pump
to the upper bulkhead of the tub. Finger Connecting the air to the Gun Washer
tighten.
1) Install your own 1/4" male connector into the
b) Connect the longer, 3/4" diameter tube filter-regulator inlet at the back of the pump
from the "Material Inlet" of the pump to
housing. IMPORTAN
: Hand tighten your air
the lower bulkhead of the tub. Finger coupler male connector into the filter-regulator
tighten. inlet. Then, wrench tighten it 1/4 turn only.
c) When the housing and solvent tubes are 2) Connect a shop air line of 65-120 psi. The paint
aligned, tighten the four flare nuts gun washer's filter-regulator is factory preset
and locked at 75 psi. DO NOT ATTEMPT TO
5) Tighten the diaphragm pump housing's two CHANGE THIS SETTING.
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