Installation of the Giant Industries, Inc.,
pump is not a complicated procedure, but
there are some basic steps common to all
pumps. The following information is to be
considered as a general outline for installation. If you have unique requirements,
please contact Giant Industries, Inc. or your
local distributor for assistance.
1. The pump should be installed flat on a base to
a maximum of a 15 degree angle of inclination to
ensure optimum lubrication.
2. The inlet to the pump should be sized for the
flow rate of the pump with no unnecessary
restrictions that can cause cavitation. Teflon
tape should be used to seal all joints. If pumps
are to be operated at temperatures in excess of
0
160
F, it is important to insure a positive head
to the pump to prevent cavitation.
3. The discharge plumbing from the pump
should be properly sized to the flow rate to
prevent line pressure loss to the work area. It is
essential to provide a safety bypass valve
between the pump and the work area to protect
the pump from pressure spikes in the event of a
blockage or the use of a shut-off gun.
4. Use of a dampener is necessary to minimize
pulsation at drive elements, plumbing, connections, and other system areas. The use of a
dampener with Giant Industries, Inc. pumps is
optional, although recommended by Giant
Industries, Inc. to further reduce system pulsation. Dampeners can also reduce the severity of
pressure spikes that occur in systems using a
shut-off gun. A dampener must be positioned
downstream from the unloader.
5. Crankshaft rotation on Giant Industries, Inc.
pumps should be made in the direction designated by the arrows on the pump crankcase.
Reverse rotation may be safely achieved by
following a few guidelines available upon request
from Giant Industries, Inc. Required horsepower
for system operation can be obtained from the
chart on page 3.
6. Before beginning operation of your pumping
system, remember: Check that the crankcase
and seal areas have been properly lubricated per
recommended schedules. Do not run the pump
dry for extended periods of time. Cavitation will
result in severe damage. Always remember to
check that all plumbing valves are open and that
pumped media can flow freely to the inlet of the
pump.
Finally, remember that high pressure operation in a pump system has many advantages. But, if it is used carelessly
and without regard to its potential hazard, it can cause serious injury.
IMPORTANT OPERATING CONDITIONS
Failure to comply with any of these conditions invalidates the warranty.
1. Prior to initial operation, add oil to the crankcase so that oil level is between the two lines on
the oil dipstick. DO NOT OVERFILL.
2. Pump operation must not exceed rated
pressure, volume, or RPM. A pressure relief
device must be installed in the discharge of the
system.
Use Giant oil
3. Acids, alkalines, or abrasive fluids cannot be
Crankcase oil should be changed after the
first 50 hours of operation, then at regular
pumped unless approval in writing is obtained
before operation from Giant Industries, Inc.
intervals of 500 hours or less depending on
operating conditions.
4. Run the pump dry approximately 10 seconds
to drain the water before exposure to freezing
temperatures.
2
Specifications
Volume ............................................................................................................ Up to 4.7GPM
Model P220-3000
Discharge Pressure ......................................................................................... Up to 2000 PSI
Inlet Pressure .................................................................................................. 14 to 140 PSI
RPM ................................................................................................................ Up to 1750 RPM
Consult the factory for special requirements that must be met if the pump is
to operate beyond one or more of the limits specified above.
NOTE:
In order to drive the pump from the side opposite the present
shaft extension, simply remove the valve casing from the crankcase and rotate the pumps 180 degrees to the desired position.
Be certain to rotate the seal case (item #20) as well, so that the
weep holes are down at the six o'clock position. Exchange the oil
fill and the oil drain plugs, also. Refer to the repair instructions as
necessary for the proper assembly sequence.
NOTE: Always take time to lubricate all metal and nonmetal parts with a light film of oil before reassembly.
This step will ensure proper fit, at the same time protecting the pump nonmetal parts (i.e., the elastomers) from cutting
and scoring.
1.With a 22mm socket
wrench, remove the (3)
discharge valve plugs and
(3) inlet valve plugs (32)
Inspect the o-ring (33) for
wear and replace if
damaged.
4.Remove the o-ring (31).
Inspect all parts for wear
and replace as necessary.
Apply one drop of Loctite
243 to the valve plugs (32)
and tighten to 59 ft.-lbs.
2.Using a needle nose pliers,
remove the inlet and
discharge valve assemblies
(32X).
5.Next, use a 5mm allen
wrench to remove the 8
socket head cap screws
(34).
3.By inserting a small screw
driver between the valve
seat (27) and the valve
spring retainer (30), the
valve assembly can be
separated.
6.Carefully slide the valve
casing (26) out over the
plungers.
7.Remove the weep return
ring (25), pressure ring
(24), and v-sleeve (23)
from the valve casing (26).
Remove the v-sleeve
(23A) from the seal case
(20). Inspect all parts,
including o-ring (21) for
wear and replace as
necessary
8.Check surfaces of plunger
(16). A damaged surface
will cause accelerated
wear on the seals. Deposits of any kind must be
carefully removed from
the plunger surface. A
damaged plunger must be
replaced!
6
9.If the crankcase oil seals
(19) are to be replaced,
they can be removed by
prying loose with a flat
screwdriver. Take care
not to make contact with
the plunger.
REPAIR INSTRUCTIONS - P220-3000 PUMP
10. If the ceramic plunger pipe
(16B) is damaged, remove
the plunger bolt (16C).
Discard the old plunger
pipe (16B) and copper
gasket (16D), and clean the
old locktite from the
plunger bolt (16C) and
NOTE: If there are
deposits of any kind (i.e.,
lime deposits) in the
valve casing, be certain
that the weep holes in the
weep return ring (25)
and valve casing (26)
have not been plugged.
plunger base (16A). (For
pumps that use the 316
S.S. crush washer (16D),
fatten the washer prior
to plunger reassembly)
Replace the plunger with
the new one and locktite
the plunger bolt and torque
to 220 inch-pounds.
Reassembly sequence of the P220-3000 pump
1)If oil seals (19) were removed, replace with seal lip towards crankcase. Lubricate seals before replacing.
2)Replace seal case (20) with o-rings (21) over plungers. Generously lubricate o-rings and oil seal before
reassembly. Replace v-sleeve (23A) over plungers (16)..
return ring (25) and pressure ring (24) over plungers (16). Slide valve casing over plungers and seat
firmly. Replace the eight socket head cap screws (34) and tighten to 105 inch-pounds in a crossing
pattern.
4)Replace the six o-rings (31) and the six valve assemblies (32X). Now replace the six valve plug o-rings
( 33). Apply one drop of Loctite 243 to the valve plugs (32) and tighten to 59 ft.-lbs.
Preventative Maintenance Check-List & Recommended Spare Parts List
CheckDailyWeekly50hrsEvery Every Every
500 hrs 1500 hrs 3000 hrs
Oil Level/QualityX
Oil LeaksX
Water LeaksX
Belts, PulleyX
PlumbingX
Recommended Spare Parts
Oil Change (1 Quart) p/n 1153X X
Seal Spare Parts (1 kit/pump) X
(See page 4 for kit list)
Oil Seal Kit (1 kit/pump) X
(See page 4 for kit lit)
Valve Spare Parts (1 kit/pump) X
(See page 4 for kit list)
NOTE: Contact Giant Industries for Service School Information. Phone: (419)-531-4600
7
P220-3000 DIMENSIONS (inches)
GIANT INDUSTRIES LIMITED WARRANTY
Giant Industries, Inc. pumps and accessories are warranted by the manufacturer to be free from
defects in workmanship and material as follows:
This warranty is limited to repair or replacement of pumps and accessories of which the
manufacturers evaluation shows were defective at the time of shipment by the manufacturer. The
following items are NOT covered or will void the warranty:
Liability under this warranty is on all non-wear parts and limited to the replacement or repair of those
products returned freight prepaid to Giant Industries which are deemed to be defective due to
workmanship or failure of material. A Returned Goods Authorization (R.G.A.) number and
completed warranty evaluation form is required
under warranty consideration. Call (419)-531-4600 or fax (419)-531-6836 to obtain an R.G.A.
number.
1.For portable pressure washers and self-serve car wash applications, the discharge
manifolds will never fail, period. If they ever fail, we will replace them free of charge.
Our other pump parts, used in portable pressure washers and in car wash applications, are warranted for five years from the date of shipment for all pumps used in NONSALINE, clean water applications.
2.One (1) year from the date of shipment for all other Giant industrial and consumer
pumps.
3.Six (6) months from the date of shipment for all rebuilt pumps.
4.Ninety (90) days from the date of shipment for all Giant accessories.
1.Defects caused by negligence or fault of the buyer or third party.
2.Normal wear and tear to standard wear parts.
3.Use of repair parts other than those manufactured or authorized by Giant.
4.Improper use of the product as a component part.
5.Changes or modifications made by the customer or third party.
6.The operation of pumps and or accessories exceeding the specifications set forth
in the Operations Manuals provided by Giant Industries, Inc.
prior to the return to Giant Industries of all products
Repair or replacement of defective products as provided is the sole and exclusive remedy provided
hereunder and the MANUFACTURER SHALL NOT BE LIABLE FOR FURTHER LOSS, DAMAGES,
OR EXPENSES, INCLUDING INCIDENTAL AND CONSEQUENTIAL DAMAGES DIRECTLY OR
INDIRECTLY ARISING FROM THE SALE OR USE OF THIS PRODUCT.
THE LIMITED WARRANTY SET FORTH HEREIN IS IN LIEU OF ALL OTHER WARRANTIES OR
REPRESENTATION, EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY WARRANTIES OR MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE AND ALL SUCH
WARRANTIES ARE HEREBY DISCLAIMED AND EXCLUDED BY THE MANUFACTURER.
GIANT INDUSTRIES, INC., 900 N. Westwood Ave., P.O. Box 3187, Toledo, Ohio 43607
PHONE (419) 531-4600, FAX (419) 531-6836, www.giantpumps.com
Ó Copyright 2002 Giant Industries, Inc.
4/02 P220-3000.PM6
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