GNC P550 Guía
P550 PUMP
Operations and Parts Manual
GNC Industries, Inc., 1401 Pace Rd., Pocahontas, AR 72455
1-870-248-9901
Email: sales@gnci.org
Website: www.gncindustries.com
WARRANTY
GNC Industries, Inc., P-Series Pumps are warranted by GNC Indus-
tries, Inc. GNC Industries, Inc. will repair or replace (at GNC In-
dustries, Inc.’s option) any part or assembly, free of charge, if that
part or assembly fails within twelve months (1 year) from the date
of purchase, provided the failure is due to an unmistakable defect
in material or workmanship.
No allowance will be made for consequential damage, labor or
expenses incurred as the results of a proven defect. In no event
will GNC Industries, Inc. be liable for any loss of profits or other
consequential damages, even if GNC Industries, Inc. has been
advised of the possibility of such damages.
GNC Industries, Inc. assumes no responsibility for accidents or
injuries resulting from maintenance or adjustment of product while
product is in operation.
Since GNC Industries, Inc. has no control over the operational
techniques or chemicals used, GNC Industries, Inc. assumes
no liability for the consequences of the use or misuse of any
equipment by the purchaser, their employees or others.
Maximum operation speed and pressure is specified in individual
and applicable instructions.
GNC Industries, Inc. reserves the right to improve any product
without being obligated to provide that change on equipment sold
and/or shipped prior to the product change.
Modification of equipment voids all warranties written or implied.
Page 1
warrant[email protected]g
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Warning:
1. Never point the spray gun at people or animals.
2. The pump will produce high temperatures when
operating.
3. Keep hands and clothing clear of the belts and
pulleys when operating the pump.
Before Use/Start Up:
1. Check every fastener, including all hose clamps,
to make sure that the sprayer and the engine are
installed firmly to the frame.
2. Align the pump and engine pulleys in a straight
line and tighten the belts appropriately.
3. Check engine (see engine manual)
and pump oil (non-detergent). Fill as
needed to recommended levels. DO
NOT OVER FILL!
4. Check engine fuel. Fill as needed,
with engine manufacture recommended fuel.
5. Attached the spray gun to the spray hose and
tighten all clamps.
6. Set the pump pressure regulator to “Pressure
Release” and make sure the pressure regulator
knob is set to “Start”.
7. Check the on/off switches of engine.
8. Start engine.
9. Set the pump pressure regulator to “Spraying”.
10.Adjust the pressure by turning the adjustable
pressure regulator valve clockwise.
Page 3
During Use:
1. Make sure the pump has sufficient liquid supply
to allow the pump to reach its working pressure.
2. To prolong the life of the pump, always operate
the machine within its specified pressure limits.
Adjust the pressure by turning the adjustable
regulator knob clockwise.
3. In order to avoid any damage to the packing and
the pump, shut off the engine or motor when
temporarily stopping the unit for more than 5
minutes.
4. Avoid running the pump without liquid.
After Each Use:
1. Set the pressure regulator switch to
“Pressure Release”, and run the pump with clean
water to prolong the life of the pump.
2. Set the pressure regulating knob to “START”
when the pump is not in use.
Maintenance:
1. Change the oil in the pump after the first 10-15
hours of use. After this, change the oil in the
pump after every 70 hours of use. NOTE: Always
make sure the oil is clean and visible thru the oil
sight gauge Ref#11A before operating.
2. Change or replace components, based on the
symptoms as listed in the trouble shooting
section.
How to Change Oil:
1. Remove Ref # 12A Drain Plug.
Allow the oil and any sludge to
drain form the crankcase into an
EPA approved collection device.
2. Replace Ref # 12A Drain Plug once
the crankcase has been drained.
3. Remove Ref # 7A Oil Fill Cap and
fill crankcase with NON Detergent SAE30 oil until
the oil level is covering 2/3 of Ref # 11A Oil Win-
dow.
4. Once filled, replaced Ref # 7A Oil Fill Cap.
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Specifications
Maximum Flow…………………………………………………… 15 GPM
Maximum Pressure…………………………………………….. 600 PSI
Maximum RPM…………………………………………………. 800 RPM
Maximum Temperature…………………………………………. 140 F
Inlet Port……………………………………………………………...1-1/4“
Outlet Port (Pressure)……………………………………………….1/2”
Outlet Port (Regulator Return Line)…………………….……...3/4”
Shaft Size……………………………………………….………………26mm
Dimensions:
Standard Mounted:………………..….18”T x 13”W x 18”L
Weight………………………………………….…………………….. 60 Lbs
NOTE: Not following proper procedures as listed in the
detailed product manual may void all warranties
Page 5
Page 6
REF # PART # DESCRIPTION
1A 42-550-01 Crank Case w/Set Pin & Plate
2A 42-550-02 Piston Oil Seal
3 42-550-03 Dust Cover
5 42-530-05 Screw
6 42-530-06 Crankshaft Oil Seal Cover
7A 42-550-07 Oil Inlet Cover Assy.
8 42-550-08 Rear Cover Packing
9 42-550-09 Crankshaft Rear Cover
10 42.530.10 Screw
11A 42-530-11 Oil Window Assy.
12A 42-530-12 Drainage Screw Assy.
13 42-530-13 Crankshaft Key
14 42-550-14 Crankshaft
15-A 42-550-15 Connecting Rod Assy.
16 42-550-16 Bearing
17 42-550-17 Crankshaft Oil Seal
18 42-530-18 Crankshaft Oil Seal Cover
19A 42-550-19 Piston Assy.
26 42-550-26 Piston Pin
28 42-530-28 Crankcase Stand (Short)
29A 42-530-29 Set Bolt w/Washer
40 42-550-40 x Cylinder, Sold In Kit Only
41A 42-550-41 Set Bolt w/Washer
42A 42-550-42 Double-End Screw w/Nut
&Spring Washer
45K ▲■ X Waterproof Packing Assy. ▲■
45K ▲■ X U-Packing ▲■
45K ▲■ X O-Ring ▲■
45K ▲■ X U-Packing Plate ▲■
45K ▲■ X U-Packing ▲■
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REF # PART # DESCRIPTION
51A 42-550-51 Suction Chamber w/Connector
53A 42-550-53 Set Bolt w/Washer
54A● ■ 42-550-54 Valve Assy.-Sold ONLY In Kit
60A 42-530-60 Connecting Hose w/O-Ring
65 42-550-65 Outlet Chamber
70 42-550-70 Plug
74 42-550-74 Air Chamber—O-Ring
75 42-550-75 Air Chamber / Surge Tank
200 43-530-200 Complete Regulator
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Pump Kits
43-530-200 P 530 & P550 Complete Regulator Ref # 200
43-550-525▲Pump Packing Rebuild Kit Includes Ref # 45K
43-550-550 ● Pump Valve Kit Includes 6 of Ref # 54A
43-550-565 XPump Cylinder Assembly
43.550.580 ■ Pump Rebuild Kit Includes Kit 43.550.525 & 43.530.550
www.gncindustries.com
sale[email protected]g
Ref: 2, 3, 6, 7, 8, 11,
15,16
Ref: 1,2, 3, 4, 5, 6, 10,
11, 12, 13, 14, 15, 16
Abnormal Vibration
No Liquid at Spray Gun Abnormal Pump Noise
Ref: 2, 11, 14, 15, 16 Ref: 2, 3, 7, 8, 11, 15, 16
Abnormal SuctionLow or Lost Pressure
Ref: 9
Page 9
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