Trouble Shooting Guide and
Recommended Spare Parts List: page 14
Dimensions: page 15
Pump mounting selection Guide: page 15
Warranty Information: back page
INSTALLATION INSTRUCTIONS
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 at on a base
to a maximum of a 15 degree angle of inclination
o
to ensure optimum lubrication.
2. The inlet to the pump should be sized for the
ow rate of the pump with no unnecessary restrictions that can cause cavitation. Teon tape
should be used to seal all joints. If pumps are to
be operated at temperatures in excess of 86 F
o
(30
C), it is important to insure a positive head
o
to the pump to prevent cavitation.
3. The discharge plumbing from the pump
should be properly sized to the ow rate to pre-
vent 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 pulsa-
tion. 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
charts on pages 3-9.
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 ow 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 crank-
case so that oil level is between the two lines on
the oil dipstick. DO NOT OVERFILL.
Use Giant recommended Oil
P/N 01153 (20W-50)
Crankcase oil should be changed after the
rst 50 hours of operation, then at regular inter-
vals of 500 hours or less depending on operating conditions.
2. Pump operation must not exceed rated pressure, volume, or RPM. A pressure relief device
must be installed in the discharge of the system.
3. Acids, alkalines, or abrasive uids cannot be
pumped unless approval in writing is obtained
before operation from Giant Industries, Inc.
4. Run the pump dry approximately 10 seconds
to drain the water before exposure to freezing
Consult the factory for special requirements that must be met if the
pump is to operate beyond one or more of the limits specied above.
PULLEY INFORMATION
Pulley selection and pump speed are based
on a 1725 RPM motor and “B” section belts.
When selecting desired GPM, allow for a
±5% tolerance on pumps output due to variations in pulleys, belts and motors among
manufacturers.
1. Select GPM required, then select appro-
priate motor and pump pulley from the same
line.
2. The desired pressure is achieved by
selecting the correct nozzle size that
corresponds with the pump GPM.
HORSEPOWER INFORMATION
Horsepower ratings shown are the power requirements for the pump. Gas engine power
outputs must be approximately twice the pump
power requirements shown above.
We recommend that a 1.15 service factor
be specied when selecting an electric motor
as the power source. To compute specic
pump horsepower requirements, use the
Consult the factory for special requirements that must be met if the
pump is to operate beyond one or more of the limits specied above.
PULLEY INFORMATION
Pulley selection and pump speed are based on
a 1725 RPM motor and “B” section belts. When
selecting desired GPM, allow for a ±5% tolerance
on pumps output due to variations in pulleys, belts
and motors among manufacturers.
1. Select GPM required, then select appropriate
motor and pump pulley from the same line.
2. The desired pressure is achieved by selecting
the correct nozzle size that corresponds with the
pump GPM.
HORSEPOWER INFORMATION
Horsepower ratings shown are the power requirements for the pump. Gas engine
power outputs must be approximately twice
the pump power requirements shown above.
We recommend that a 1.15 service factor
be specied when selecting an electric motor
as the power source. To compute specic
pump horsepower requirements, use the
Consult the factory for special requirements that must be met if the
pump is to operate beyond one or more of the limits specied above.
PULLEY INFORMATION
Pulley selection and pump speed are based on
a 1725 RPM motor and “B” section belts. When
selecting desired GPM, allow for a ±5% tolerance
on pumps output due to variations in pulleys, belts
and motors among manufacturers.
1. Select GPM required, then select appropriate
motor and pump pulley from the same line.
2. The desired pressure is achieved by selecting
the correct nozzle size that corresponds with the
pump GPM.
HORSEPOWER INFORMATION
Horsepower ratings shown are the power requirements for the pump. Gas engine
power outputs must be approximately twice
the pump power requirements shown above.
We recommend that a 1.15 service factor
be specied when selecting an electric motor
as the power source. To compute specic
pump horsepower requirements, use the
Consult the factory for special requirements that must be met if the
pump is to operate beyond one or more of the limits specied above.
PULLEY INFORMATION
Pulley selection and pump speed are based on
a 1725 RPM motor and “B” section belts. When
selecting desired GPM, allow for a ±5% tolerance
on pumps output due to variations in pulleys, belts
and motors among manufacturers.
1. Select GPM required, then select appropriate
motor and pump pulley from the same line.
2. The desired pressure is achieved by selecting
the correct nozzle size that corresponds with the
pump GPM.
HORSEPOWER INFORMATION
Horsepower ratings shown are the power requirements for the pump. Gas engine
power outputs must be approximately twice
the pump power requirements shown above.
We recommend that a 1.15 service factor
be specied when selecting an electric motor
as the power source. To compute specic
pump horsepower requirements, use the
(3) inlet valve plugs (32)
Inspect the o-ring (33) for
wear and replace if damaged.
4. Apply one drop of Loctite
243 to the valve plugs (32)
and tighten to 33 ft.-lbs.
2. Using a needle nose pliers,
remove the inlet and discharge valve assemblies
(26A), for P230-5100 only,
remove spacer (30A), and
o-ring (31). Inspect all parts
for wear and replace as necessary.
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 rear v-sleeve
(23A) and drip shield (23B)
from the seal case (20).
Inspect all parts, including
o-ring (21) for wear and
replace as necessary.
8. Check surfaces of plunger
pipe (16B). 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!
12
9. If the crankcase oil seals
(19) are to be replaced,
they can be removed by
prying loose with a at
screwdriver. Take care not
to make contact with the
plunger.
REPAIR INSTRUCTION - P200A-5100 SERIES
Disassembly sequence of the back end of the P200A-5100 series pump.
1) Before you begin, drain the oil from the crankcase.
2) Remove the crankcase cover (3) and o-ring (4) from the crankcase (1). To remove the crankshaft (13), remove the bearing cover (7) and sight glass (8). Using a rubber mallet, remove the
crankshaft axially through the connecting rods by tapping on the end of the shaft. Be careful not
to bend or damage the connecting rods during crankshaft removal.
3) If the bearings (12A and 12B) and radial shaft seal (11) are still in the crankcase, remove them.
Inspect both bearings and seal for wear and replace if necessary.
4) Remove the connecting rod (15) and plunger assembly(16). Remove the wrist pin (17) if necessary. Check the plunger bore in the crankcase for wear. Inspect parts and replace as necessary.
5) Should you nd it necessary to service the plunger assembly (16) you can do so by removing
the tension screw (16C). Replace crush washer (16D). NOTE: Carefully atten crush washer
prior to replacing it. NOTE: Place side with line in the middle on the ceramic surface and
use a hand press to cursh the washer prior to installing the tension screw. Inspect all
parts and replace as necessary.
Reassembly sequence of the P200A-5100 series pump
1) Reassemble plunger asembly (16) (apply a drop of Loctite to the tension screw (16C) threads)
and the connecting rod (15) with wrist pin (17). Place assemblies in crankcase (1). Install crankshaft through connecting rods again being careful not to bend or otherwise damage the connecting rods.
2) Replace left and right side bearings (12A and 12B) if they were removed from the crankshaft.
Be certain the bearings are pressed all the way onto the shaft and completely into the crank-
case. Replace radial shaft seal (11), bearing cover (7), sight glass (8), and crankcase cover (3)
with its o-ring (4).
3) If oil seals (19) were removed, replace with seal lip towards crankcase. Lubricate seal before
replacing.
4) Replace seal case (20) with o-rings (21) over plungers. Generously lubricate o-rings and oil seal
before reassembly. Replace drip shield (23B) and v-sleeve
(23A) over plungers (16)..
5) Generously lubricate v-sleeve (23) and assemble into valve
casing (26). Assemble weep return ring (25) and pressure
ring (24) over plungers (16). Slide valve casing over plung-
ers and seat rmly. Replace the eight socket head cap
screws (34) and tighten to 105 inch-pounds in a crossing
pattern (see below).
6) Re-install the six o-rings (31) and the six valve assemblies
(27-30) and spacer ring (30A), P230-5100 only. Now replace
the six valve plugs with o-rings (32 and 33) and tighten securely with a 22mm socket wrench to 33 foot-pounds.
7) Fill crankcase with 8.1 ounces of oil.
5
3
1
8
7
2
4
6
P200A-5100 SERIES TORQUE SPECIFICATIONS
Position Item# Description Torque Amount (ft.-lbs) Nm
or the Delivery Broken valve spring Replace spring
Drops Belt slippage Tighten or Replace belt
Worn or Damaged nozzle Replace nozzle
Fouled discharge valve Clean valve assembly
Fouled inlet strainer Clean strainer
Worn or Damaged hose Repair/Replace hose
Worn or Plugged relief valve on pump Clean, Reset, and Replace worn parts
Cavitation Check suction lines on inlet of pump for restrictions
Unloader Check for proper operation
Water in crankcase High humidity Reduce oil change interval
Worn seals Replace seals
Giant Industries, Inc. pumps and accessories are warranted by the manufacturer to be free from defects
in workmanship and material as follows:
1. For portable pressure washers and 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 ve years from the date of shipment for all pumps used in NON-SALINE,
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.
This warranty is limited to repair or replacement of pumps and accessories of which the manufacturer’s
evaluation shows were defective at the time of shipment by the manufacturer. The following items are
NOT covered or will void the warranty:
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 modications made by the customer or third party.
6. The operation of pumps and or accessories exceeding the specications set forth
in the Operations Manuals provided by Giant Industries, Inc.
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 prior to the return to Giant Industries of all products under warranty consid-
eration. Call (419)-531-4600 or fax (419)-531-6836 to obtain an R.G.A. number.
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 IN-
DIRECTLY ARISING FROM THE SALE OR USE OF THIS PRODUCT.
THE LIMITED WARRANTY SET FORTH HEREIN IS IN LIEU OF ALL OTHER WARRANTIES OR REP-
RESENTATION, 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.