ES IOM Rev 1
-
5/13/2021
11
NOTICE:
Check and inspect all components thor-
oughly for damage/wear and replace as
necessary.
PUMP ASSEMBLY
1.
Install one housing gasket (3306) on the front side of the casing (inserted centering pins will ease
the process).
For optional hardened wear plate,
install one hardened wear plate (3307HWP) on
the housing gasket. Install one housing gasket shim on hardened wear plate.
2.
Gently insert the drive
(●305
ED) and idler
(●304
ED) shaft subassemblies into the casing with the
long end of the shaft entering the attached wear plate.
3.
Lube housing, drive gear with shaft
(●305
ED) and idler gear with shaft
(●304
ED) with a thin coat
of light oil or grease.
4.
Install one lip seal on the idle shaft, against the face of the gear. Ensure the lips are oriented to-
wards the casing.
5.
Pre
-
install three lip seals into the seal cartridge (ECOEDSH), with lips oriented in the same direction.
Ensure O
-
Rings are inserted into the external grooves.
6.
Install the seal cartridge onto the front of the drive shaft, with the lips of the seals oriented to-
wards the casing.
7.
Three bushings
(●309)
have to be installed by pressing in to the front plate and two in to the back
plate. Make sure two dowel (locator) pins #3315H are installed in corresponding holes in plates.
8.
Mount front plate (4302ECO) on to the casing with four bolts tightening them in a cross pattern.
9.
Install a number of housing gaskets (3306) 5 for steel gears and 8 for rubber gears onto the back
side of the housing (inserted centering pins will ease the process).
For optional hardened wear
plate,
install one hardened wear plate (3307HWP) and install one additional housing gasket on to
hardened wear plate.
10.
Apply light oil on two seals and around the seal pockets in the back plate. Insert one lip seal (3325)
on to each of the two shafts ends. Keep lips orientation toward the casing.
11.
Mount back plate with four bolts tightening in a cross pattern.
12.
Turn drive shaft to ensure proper meshing of gears and acceptable clearances between the gears
and plates. Adding or removing housing gaskets will adjust clearances.
13.
Install bronze end plugs (4308BF) on to either end of the idler shaft and onto the rear drive shaft.
14.
Install the five grease fittings (3316).
15.
Apply Anti
-
seize Lubricant
“550”
(petrochemical grease) on the threaded part of drive shaft front
plate.
16.
Install the quick change sleeve (ECOEDSL), quick change containment seal (3325V) and bronze
bushing (4309B) onto the Drive shaft.
17.
Install and secure the seal nut (4301) with wire.
18.
Finish installing the remainder of the bolts for the back plate and tighten in a cross pattern.
19.
Finish installing the remainder of the bolts for the front plate and tighten in a cross pattern.
CORRECTIVE MAINTENANCE
Failure to set vehicle emergency
brake and chock wheels before
performing service can cause
severe personal injury or prop-
erty damage.
Failure to disconnect and lock-
out electrical power or engine
drive prior to performing ser-
vice can cause personal injury
or property damage.
Failure to relieve system pres-
sure prior to performing ser-
vice can cause personal injury
and property damage
If pumping hazardous or toxic
fluids, pump must be flushed
before service.
NOTICE:
Follow all hazard warnings and instructions
shown in the
“
Maintenance
”
section of this
manual. Pump should be dissembled using
a Bowie Signature
™
Series Tool Kit, or at a
registered Bowie Repair Depot, listed at
www.bowiepumps.com.
