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Removing and Installing a Displacement Pump

Removal

WARNING

To reduce the risk of serious injury, always follow
the Pressure Relief Procedure on page 8 before
repairing the sprayer.

1.

Flush the sprayer. Remove the suction hose, if used.

WARNING

To reduce the risk of pinching or amputating a
finger, keep your fingers away from the area of the
connection rod and pin while jogging the engine.

2.

Start the engine. Jog the pressure control ON/OFF
switch until the connecting link stops near the bottom
of the stroke and is fully exposed. See Fig. 13. Shut
off the engine.

3.

Unscrew the collar of the power supply cord and un-
plug the cord from the pressure control. See Fig. 14.

4.

Relieve the pressure.

5.

Remove the outlet hose. Slightly loosen the two
mounting screws. See Fig. 13.

6.

Use a small screwdriver to push in the connecting
link pin just until you can gently pry the retaining ring
up from the back of the connecting link. Then push
the pin in so it falls out the back.

7.

Remove the two mounting screws while supporting
the weight of the pump with your free hand.

Installation

1.

Push the pin just barely into the connecting link, but
not into the mating hole of the displacement pump.

2.

Pull the displacement rod out of the pump 2 to 3 in.
(50–75 mm).

3.

Align the flats of the pump piston rod and the pump
outlet. Lift the pump into position and gently push on
the pin while moving the pump slightly until the pin
slips into the hole. Be sure the retaining ring snaps
down over the end of the pin.

WARNING

Be sure the retaining spring is firmly in the groove
of the connecting link, all the way around, to pre-
vent it from working loose due to vibration. See Fig.
13.

If the pin work loose, it or other parts could break
off due to the force of the pumping action and
result in serious injury or property damage, includ-
ing damage to the pump, connecting link or bearing
housing.

Procedure continued on page 19.

BACK OF PUMP

FRONT OF PUMP

CUTAWAY VIEW

SHOWS HOW PIN GOES

THROUGH CONNECTING ROD

FRONT VIEW OF PUMP AND
SPRAYER CONNECTING LINK

0407

PIN

BEARING HOUSING

RETAINING RING

CONNECTING LINK

MOUNTING SCREWS
Torque to
20 ft–lb (27 N.m)

PUMP PISTON ROD

CONNECTING LINK

PIN

RETAINING RING

Fig. 13

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17
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20
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Содержание Roof Rigs 224483

Страница 1: ...ERENCE Roof Rigs GM 1230 GASOLINE POWERED AIRLESS SPRAYER 1200 psi 8 3 MPa 83 bar MAXIMUM WORKING PRESSURE Model 231 148 With one gun Heavy Duty RAC IV DripLess Tip Guard and 861 size tip 90 foot 28 m hose Model 224 483 Series A Without hose or gun GRACO INC P O BOX 1441 MINNEAPOLIS MN 55440 1441 http www graco com COPYRIGHT 1991 GRACO INC Graco Inc is registered to I S EN ISO 9001 0394A ...

Страница 2: ...uids can be injected into the body by high pressure airless spray or leaks especially hose leaks Keep body clear of the nozzle Never stop leaks with any part of the body Drain all pressure before removing parts Avoid accidental trigger ing of gun by always setting safety latch when not spraying Never spray without a tip guard In case of accidental skin injection seek immediate Surgical Treatment F...

Страница 3: ...using this equipment stop spray ing immediately Do not use the equipment until you identify and correct the problem Provide fresh air ventilation to avoid the buildup of flammable fumes from solvents or the fluid being sprayed Keep the spray area free of debris including solvent rags and gasoline Disconnect all electrical equipment in the spray area Extinguish all open flames or pilot lights in th...

Страница 4: ...al Data section of all equipment manuals Read the fluid and solvent manufacturer s warnings Do not use hoses to pull equipment Route hoses away from traffic areas sharp edges moving parts and hot surfaces Do not expose Graco hoses to temperatures above 82 C 180 F or below 40 C 40 F Do not lift pressurized equipment Comply with all applicable local state and national fire electrical and safety regu...

Страница 5: ...re spraying Lock the gun trigger safety when you stop spraying Follow the Pressure Relief Procedure on page 8 if the spray tip clogs and before cleaning checking or servicing the equipment Tighten all fluid connections before operating the equipment Check the hoses tubes and couplings daily Replace worn or damaged parts immediately Do not repair high pressure couplings you must replace the entire ...

Страница 6: ... Notes ...

Страница 7: ...PARK PLUG CABLE AIR CLEANER CHOKE FUEL SHUTOFF LEVER THROTTLE GROUNDING CLAMP ENGINE OIL LIGHT ENGINE ON OFF SWITCH MUFFLER DISPLACEMENT PUMP PRESSURE RELIEF VALVE shown in closed position 50 ft 15 m MAIN HOSE 40 ft 12 m HOSE TRIGGER LOCK SHOWN IN ENGAGED OR SAFE POSITION TRIGGER LOCK SHOWN IN DISENGAGED OR OFF SAFE POSITION 40 ft 12 m HOSE 0398 Fig 1 ...

Страница 8: ...ushing or relieving pressure always hold a metal part of the gun firmly to the side of a grounded metal pail then trigger the gun Pressure Relief Procedure WARNING INJECTION HAZARD Fluid under high pressure can be in jected through the skin and cause seri ous injury To reduce the risk of an injury from injection splashing fluid or moving parts fol low the Pressure Relief Procedure whenever you are...

Страница 9: ...under certain conditions To reduce the risk of a fire or explosion 1 Always shut off the engine before refueling 2 Refuel in a well ventilated area 3 Do not smoke or allow flames or sparks in the area where the engine is refueled or where the gasoline is stored 4 Do not overfill the tank Make sure the filler cap is securely closed after refueling 5 Fuel vapor or spilled fuel can ignite If any fuel...

Страница 10: ...he pressure adjusting knob all the way counterclockwise to the lowest pressure setting b Slide the metal throttle lever away from the fuel tank to the maximum position fully left c If the engine is cold close the choke by moving the gray lever If the engine is warm close the choke by moving the gray lever only half way or not at all d Turn ON the engine switch WARNING A starter rope that recoils t...

Страница 11: ...n gage the trigger safety latch WARNING To reduce the risk of serious injury from fluid injec tion never operate the spray gun with the tip guard removed 8 Install the tip guard and spray tip See page 13 CAUTION Use the lowest fluid pressure and the lowest throttle setting needed Higher settings cause excessive clutch cycling and premature tip and pump wear 9 Adjust the engine speed and pump press...

Страница 12: ...elieve pressure Leave the drain valve open See Fig 5 2 Disconnect the siphon assembly 3 Put the pump in a grounded metal pail of water or compatible solvent 4 Start the sprayer see page 10 Flush until the ball in the foot valve is clean and moves up and down easily How To Flush The Entire Fluid System 1 Relieve pressure Leave the drain valve open See Fig 5 2 Put the siphon tube in a grounded metal...

Страница 13: ...zle High pressure fluid from leaks or spray can penetrate the skin and cause extremely serious injury including the need for amputation The tip guard provides extra protection against injection but does not prevent it Never cut off the tip guard Clearing a clogged spray tip See Fig 11 1 Engage the trigger safety latch 2 Turn the arrow handle to the FULL CLEAN position 3 Disengage the trigger safet...

Страница 14: ...s For example coating that is thinned 10 should be applied about 10 thicker 2 A 0 061 tip is standard with the sprayer Start the spray stroke 24 610 mm above the target sur face and pull the trigger as the gun is moving Then while the gun is still moving and as you approach the other edge release the trigger This method avoids excess material build up at the end of each stroke Do not try to increa...

Страница 15: ...ating it and when transporting it This prevents crankcase oil from leaking into the combustion chamber which makes startup very difficult DAILY Check the engine oil level and fill as necessary DAILY Check and fill the gas tank AFTER THE FIRST 20 HOURS OF OPERATION AND EACH 100 HOURS THEREAFTER Change the oil WEEKLY Remove the air filter cover and clean the ele ment In very dusty environments check...

Страница 16: ...e into combustion chamber Remove spark plug Pull starter rope 3 or 4 times Clean and replace plug Try to start Keep sprayer upright to avoid oil seepage Engine operates but displacement pump doesn t Pressure control switch turned OFF Turn on pressure control switch Also see manual 308 126 Pressure setting too low Increase pressure Tip clogged Clean tip Displacement pump rod seized by dry coating S...

Страница 17: ...orn or damaged Replace clutch See page 26 Coating leaks into wet cup Loose wet cup Tighten wet cup just enough to stop leakage Throat packings worn or damaged Replace packings See page 19 Displacement rod worn or damaged Replace displacement rod See page 19 Low fluid delivery Siphon hose strainer is clogged Clean strainer Pressure setting too low Increase pressure See Startup Step 9 page 11 Engine...

Страница 18: ...ng screws while supporting the weight of the pump with your free hand Installation 1 Push the pin just barely into the connecting link but not into the mating hole of the displacement pump 2 Pull the displacement rod out of the pump 2 to 3 in 50 75 mm 3 Align the flats of the pump piston rod and the pump outlet Lift the pump into position and gently push on the pin while moving the pump slightly u...

Страница 19: ...for how to remove the pump 2 Use a hard rubber mallet on the tabs of the lug nut 421 to loosen the foot valve housing 3 Disassemble the pump but do not disassemble the piston rod 401 from the piston housing 416 unless one of those needs to be replaced Due to the high strength Loctite used at the joint of these two parts the joint must be heated before disassembly Refer to Fig 15 Clean and inspect ...

Страница 20: ... to align the parts properly as instructed in Step 6 will result in poor pump performance 6 Back off the piston housing just until the holes and flutes B mentioned in the CAUTION are perfectly aligned and the tips B are not visible when you look through the holes A See Fig 20 1 Screw the pis ton housing 416 down to the nut 414 and torque to 90 125 ft lb 122 170 N m 7 From the top of the pump housi...

Страница 21: ...INGS MUST FACE DOWN 13 LEATHER LIPS OF V PACKINGS MUST FACE UP 8 U CUP SEAL LIPS MUST FACE DOWN 2 POLY LIPS OF V PACKINGS MUST FACE DOWN 10 4 4 19 20 3 1 5 12 14 6 16 15 21 TORQUE NUT 14 TO HOUSING 16 TO 110 FT LB 150 N m TORQUE ROD 1 TO HOUSING 16 TO 34 50 FT LB 44 68 N m 0411 Fig 17 ...

Страница 22: ...f the con necting rod link D with high quality motor oil do not use grease Liberally pack the roller bearing E in the connecting rod assembly 22 with bearing grease 20d supplied 6 Assemble the connecting rod 22 and bearing hous ing 23 7 Clean the mating surfaces of the bearing 23 and drive 20 housings 8 Align the connecting rod with the crank A and care fully align the locating pins B in the drive...

Страница 23: ... cluster is easily damaged The gear may stay engaged in either the drive housing or the pinion housing Do not lose the thrust balls 20c and 19k located at each end of the gear cluster The balls which are heavi ly covered with grease usually stay in the shaft re cesses but they could be dislodged If they are caught between the gears and not removed the balls will seri ously damage the drive housing...

Страница 24: ...ge 8 before repairing the sprayer NOTE Refer to Fig 20 for Steps 1 to 3 1 Remove the two bottom screws 3 first and then re move the top three screws 3 2 Pull the pinion housing 19p away from the clutch housing 17 The armature 9b will come with it 3 Pull the armature 9b off the hub 19j see Fig 21 of the pinion housing CAUTION Do not lose the thrust ball 19k Refer to the CAUTION on page 23 for more ...

Страница 25: ...n HYDRAULIC PRESS ROUND STEEL BAR TO PUSH ON SHAFT 19g LARGE BEARING 19h PLACEMENT OF STEEL BLOCKS WHEN PRESSING OFF LARGE BEARING 19h 0043 PRESS PLATFORM Fig 22 If purchasing parts separately use these instructions Disassemble as far as needed for the parts being replaced NOTE The old bearings 19h and 19f will be damaged when removed Have extra ones on hand if you need to remove them for any reas...

Страница 26: ... away the armature 9b will come with it 5 Remove the armature from the pinion 6 There are two ways to remove the rotor 9a a Remove the capscrews 4 and lockwashers 2 Install two of the screws in the threaded holes in the rotor 9a Alternately tighten the screws until the rotor comes off See Fig 23 b Use a standard steering wheel puller A with two 1 4 28 x 3 or 4 in long screws B Replace the short sc...

Страница 27: ...rommets 8 before removing the engine See Fig 24 and 25 3 Lift the engine carefully and place it on a work bench 4 Remove the Field and Wiring Harness Clamp and Clutch Housing as instructed on pages 28 and 29 5 Go to Reassembly page 30 Step 1 NOTE All service to the engine must be performed by an authorized HONDA dealer 0153 8 42 43 7 6 5 A B Fig 24 VIEW FROM UNDER ENGINE MOUNTING PLATE TO FIELD FR...

Страница 28: ... Unplug the wiring har ness 69 from under the engine mounting plate Pull the field out to expose the black and white wires 3 Pull the caps A off the wire screws 57 in both places on the field Loosen the screws and release the wires of the harness 69 4 Go to Reassembly page 30 Step 4 57 69 A 16 0046 Fig 26 ...

Страница 29: ...ing through the slot at the bottom of the clutch hous ing 17 2 Install two screws B of the tool A in two of the threaded holes in the clamp Tighten the screw C until the clamp comes off 3 Go to Reassembly page 30 Step 3 or continue below Clutch Housing NOTE Refer to Fig 29 2 1 Remove the capscrews 11 and lockwashers 12 which hold the clutch housing 17 to the engine 45 2 Remove the engine key 14 3 ...

Страница 30: ... to 125 in lb 14 N m 4 Connect the wires of the harness 69 to the screws 57 in both places on the field Pull the plastic caps C up and snap them over the screws Guide the wires of the harness 69 through the slot in the clutch housing Slide the field 10 into the clutch Align the setscrew chamfers in the field and the clutch housing 17 Tighten the setscrews 16 oppositely and evenly to 25 in lb 2 8 N...

Страница 31: ...16 and re position the field 10 as necessary Tighten the setscrews oppositely and evenly to 25 in lb 2 8 N m Also make sure there are no burrs on the outside edge of the rotor 7 Be sure the face of the armature 9b is clean As semble the armature to the shaft in the pinion hous ing C A retaining ring located within the armature makes it difficult to assemble these parts For the best results first e...

Страница 32: ...pump intake 1 411 102 973 BALL intake 1 412 187 073 GLAND female 1 413 187 078 V PACKING leather 2 414 187 077 NUT 1 1 4 18 1 415 101 859 BALL piston 1 416 187 076 HOUSING piston 1 417 186 951 HOUSING outlet 1 418 187 079 V PACKING leather 2 419 187 070 GLAND female 1 420 187 068 PACKING NUT 1 421 187 065 LUG NUT 1 422 224 408 PISTON SEAT 1 423 183 210 PIN 1 These parts also included in Packing Re...

Страница 33: ... 396 HUB armature 1 REF NO PART NO DESCRIPTION QTY NOTE Items 19h to 19p are not included in a kit Order them separately as needed 19h 108 692 BEARING needle roller 1 19j 107 088 BEARING needle needle 1 19k 100 069 BALL sst 1 19m 108 799 RING retaining internal 1 19n 105 489 PIN dowel 2 19p 183 394 HOUSING pinion 1 19h Lubricate exterior 19m 19a 19n 19e 19f 19d 19b 19c Lubricate inner and outer di...

Страница 34: ...ual 308 124 for parts 1 103 224 440 HOSE coupled 3 4 npt x 1 2 npt mbe 5 8 ID 40 ft 12 m long 1 104 224 483 BASIC SPRAYER Includes items 104a 104c 1 104a 224 442 55 GALLON SUCTION KIT See parts on page 35 1 104b 224 528 ROOFING PUMP and PRESSURE CONTROL KIT See parts on page 35 1 104c 224 482 SPRAYER DRIVE ASSEMBLY See parts on page 36 1 104a See parts on page 35 104b See parts on page 32 and 35 1...

Страница 35: ...udes items 201 to 212 Ref No Part No Description Qty 201 187 181 LABEL ON OFF PRES ADJ 1 202 187 184 COVER PLATE 2 203 224 711 PRESSURE CONTROL 1200 PSI Includes replaceable part 203a 1 203a 155 463 O RING 1 204 110 885 SCREW mach pnh 10 24 x 3 8 8 205 224 527 ROOFING PUMP 3 GPM See parts on page 32 1 206 183 210 PIN straight 1 209 157 785 UNION swivel 3 4 npt m x 3 4 npsm f 1 210 111 337 TEE 3 4 ...

Страница 36: ... 3 36 33 29 28 35 Ref 37 Ref 34 SEE DETAIL ABOVE 37 34 42 32 31 8 43 26 25 24 27 7 65 6 5 44 4 2 57 14 16 3 2 12 17 11 15 10 9a 2 4 9b 59 ID LABEL WARNING LABEL 38 WARNING LABEL 68 ID LABEL SEE PARTS ON PAGE 33 63 62 66 45 DANGER LABEL SEE PARTS ON PAGE 33 13 69 0397A 64 67 ...

Страница 37: ...01 242 RETAINING RING ext 2 25 154 636 WASHER 2 26 179 811 WHEEL 2 27 104 811 HUBCAP 2 28 108 068 PIN spring straight 3 16 x 1 25 2 29 183 350 WASHER 2 31 112 798 SCREW mach hex washer hd No 8 32 x 3 8 1 32 237 686 GROUNDING CLAMP w 25 ft 7 6 m wire 1 33 179 777 BUTTON snap 2 34 224 002 CART 1 35 108 795 SCREW mach pnh 10 32 x 0 312 4 36 185 188 BUSHING 2 37 220 918 HANDLE w hose rack 1 38 181 867...

Страница 38: ...M WORKING PRESSURE For rolling roofing coatings that require back rolling or for use in high wind conditions to minimize overspray Instal lation and and repair instructions included HIGH PRESSURE DISPLACEMENT PUMP PRESSURE CONTROL AND FILTER KIT 224 524 3000 psi 21 0 MPa 210 bar MAXIMUM WORKING PRESSURE Up to 1 25 GPM Quickly convert your Roof Rig to a system that will spray architectural paints a...

Страница 39: ...el Tank Capacity 0 97 gallons 3 7 liter Pump Inlet Size 2 quick disconnect Weight dry without packaging 140 lb 63 kg Height 32 in 813 mm Length 33 in 838 mm Width 23 in 584 mm Fluid Outlet Size 3 4 npsm f Wetted Parts Displacement Pump Zinc Plated Carbon Steel Stainless Steel Chrome Plated Stainless Steel Polyethylene Tungsten Carbide Leather Polyurethane ...

Страница 40: ...orth above The buyer agrees that no other remedy including but not limited to incidental or consequential damages for lost profits lost sales injury to person or property or any other incidental or consequential loss shall be available Any action for breach of warranty must be brought within two 2 years of the date of sale Graco makes no warranty and disclaims all implied warranties of merchantabi...

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