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308–262

Rev. N

Supersedes Rev. M

First choice when

quality counts.

INSTRUCTIONS–PARTS LIST

INSTRUCTIONS

This manual contains important
warnings and information.
READ AND KEEP FOR REFERENCE.

50:1 RATIO DOUBLE ACTING

Eagle

Grease Pump

FOR LUBRICATING PRODUCTS ONLY

7500 psi (52 MPa, 517 bar) Maximum Fluid Working Pressure

150 psi (0.9 MPa, 10 bar) Maximum Air Input Pressure

Model 235–888, Series C

35 lb (16 kg) Pail Size

Model 235–889, Series C

120 lb (55 kg) Drum Size

Model 235–890, Series C

400 lb (180 kg) Drum Size

U.S. Patent No. 5,147,188

R.O.C New Invention Patent No. 075540

Australian Patent No. 672050

Other Foreign Patents Pending

GRACO INC.

P.O. BOX 1441

MINNEAPOLIS, MN

55440–1441

Graco Inc. is registered to I.S. EN ISO 9001

01965A

Содержание Eagle 235-888

Страница 1: ...Pa 517 bar Maximum Fluid Working Pressure 150 psi 0 9 MPa 10 bar Maximum Air Input Pressure Model 235 888 Series C 35 lb 16 kg Pail Size Model 235 889 Series C 120 lb 55 kg Drum Size Model 235 890 Series C 400 lb 180 kg Drum Size U S Patent No 5 147 188 R O C New Invention Patent No 075540 Australian Patent No 672050 Other Foreign Patents Pending GRACO INC P O BOX 1441 MINNEAPOLIS MN 55440 1441 CO...

Страница 2: ...equipment daily Repair or replace worn or damaged parts immediately D Do not exceed the maximum working pressure stated on the equipment or in the Technical Data for your equipment Do not exceed the maximum working pressure of the lowest rated component in your system D Use fluids and solvents which are compatible with the equipment wetted parts Refer to the Tech nical Data section of all equipmen...

Страница 3: ...s have the tip guard and the trigger guard on the gun valve when dispensing Be sure the valve trigger safety operates before dispensing Lock the valve trigger safety when you stop dispensing Follow the Pressure Relief Procedure on page 10 if the nozzle clogs and before cleaning check ing or servicing the equipment Tighten all fluid connections before operating the equipment Check the hoses tubes a...

Страница 4: ...ng dispensed Keep the dispense area free of debris including solvent rags and gasoline Do not smoke in the dispense area Do not turn on or off any light switch in the dispense area while dispensing or while operating if fumes are present TOXIC FLUID HAZARD Hazardous fluid or toxic fumes can cause serious injury or death if splashed in the eyes or on the skin inhaled or swallowed Know the specific ...

Страница 5: ...ld cause damage to or destroy equip ment NOTE Identifies helpful procedures and information DISPENSE VALVE Any fluid dispensing device that can be triggered on and off Component Description This equipment consists of two major components the air motor 1 and the displacement pump 100 See Fig 1 The pump is an in line design which means that the displacement pump screws directly into the motor withou...

Страница 6: ... ground wire Y into the slot in lug Z and tighten the locknut securely Connect the other end of the wire to a true earth ground Order part num ber 222 011 Grounding Clamp and Wire D Fluid hoses Use only grounded fluid hoses D Air hoses Use only grounded air hoses D Dispensing Valve Obtain grounding through connection to a properly grounded fluid hose and pump D Fluid supply container Follow your l...

Страница 7: ...o meet the system s requirements See the Maximum Working Pressure warning on page 8 Fig 3 A B C KEY A Pump B Bleed type master air valve required C Air regulator D Air hose E Air line quick disconnect F Air line filter G Bleed type master air valve for accessories H Main air line J Gun holder K Follow plate L Fluid hose M Dispense valve Y Ground wire required 01967 Model 235 889 Pump shown mounted...

Страница 8: ... the bottom of the container Mount the pump to the cover or other suitable mounting device WARNING Mount the pump securely so that it cannot move around during operation Failure to do so could result in personal injury or equipment damage System Accessories WARNING Maximum Working Pressure The maximum working pressure of each compo nent in your system may not be the same To reduce the risk of over...

Страница 9: ...lter F to remove harmful dirt and moisture from the compressed air supply 4 Install a second bleed type master air valve G upstream from all other accessories to isolate the accessories for servicing 5 Connect the fluid hose L to the dispense valve M Use a gun holder J to hold the dis pense valve when not in use 6 For ease in connecting the air line to the pump use an air line quick disconnect E a...

Страница 10: ...ensing valve firmly to the side of a metal waste container and trigger the valve to relieve fluid pressure If you suspect that the spray tip or hose is completely clogged or that pressure has not been fully relieved after following the steps above very slowly loosen the tip guard retaining nut or hose end coupling and relieve pressure gradually then loosen completely then clear the tip or hose Flu...

Страница 11: ...e pressure and remove the hose Prime the pump alone then reconnect the hose and continue to prime your system 5 Use the air regulator to control the pump speed and the fluid pressure Always use the lowest air pressure necessary to get the desired results Higher pressures cause premature nozzle and pump wear Never overpressurize any component in the system See the Maximum Working Pres sure warning ...

Страница 12: ...ing on page 8 Clear line Closed or clogged air valves Open valves clean Obstructed fluid hose or gun valve fluid hose ID is too small Open clear Use hose with larger ID or use shorter hose Exhausted fluid supply Refill and reprime or flush Air leaking into supply container Check follow plate or inductor plate seal Fluid too heavy for pump priming Use inductor or follow plate Worn seals in displace...

Страница 13: ...ged actuator valve pin o rings 23 top or bottom Inspect and replace See page 21 Damaged actuator valve springs 16 top or bottom Replace See page 21 Worn or damaged carriage spool u cups 31 Characterized by continuous air leak age from actuator valve vents Inspect and replace See page 24 Clogged or obstructed valve porting Clean Worn out valve housing 5 Replace See page 24 Improper seating or damag...

Страница 14: ...the figures for sealant application instructions Required Tools The following tools are required to service the pump Vise with soft jaws Pipe wrench Snap ring pliers Needle nose pliers Hammer 3 32 in punch O ring pick 9 32 in or 7 mm socket wrench or nut driver 3 8 in or 10 mm box wrench 7 16 in or 11 mm box wrench 1 2 in or 13 mm box wrench 5 8 in or 16 mm box wrench 1 1 16 in or 27 mm socket wre...

Страница 15: ...ench on the lower part of the outlet housing 18 to loosen the air motor 1 from the cylinder 101 See Fig 5 5 Continue to screw the motor 1 off the cylinder 101 by hand until the pin 112 joining the dis placement rod 17 with the connecting rod 102 is accessible Use a punch to drive the pin 112 out of the rods 17 and 102 See Fig 7 6 Hold the air motor 1 to prevent it from falling when performing this...

Страница 16: ...8 262 Displacement Pump Service Fig 6 101 18 1 01972A 1 101 17 102 112 Fig 7 02048A Rotate the cylinder 101 90 degrees so the hole is up Run a punch through the hole in the cylinder to drive the pin 112 out ...

Страница 17: ...e to secure the two rods 17 and 102 together Make sure the pin is flush or below the surface of the rod 17 Screw the motor 1 onto the cylinder 101 by hand See Fig 7 3 Use a pipe wrench on the lower part of the outlet housing 18 to securely tighten the motor 1 to the cylinder 101 See Fig 6 4 Apply thread sealant 111 368 and screw the intake cylinder 110 onto the pump cylinder 101 See Fig 5 5 Remove...

Страница 18: ...n hole and secure with the nut 109 Torque to 35 to 45 in lb 4 0 to 5 1 N m Lubricate the rod See Fig 9 2 Lubricate the o ring 111 and install it on the packing retainer 106 Slide the retainer onto the rod 107 with the o ring at the top Lubricate the intake seal 105 and slide it onto the rod with the flat side facing the packing retainer There should be friction between the seal and the rod If ther...

Страница 19: ...2 REF 102 107 REF 2 3 4 Torque to 15 to 20 ft lb 20 to 27 N m Lubricate Torque to 35 to 45 in lb 4 0 to 5 1 N m 5 Assemble pin 112 flush or below surface Flat side must face retainer 106 6 Large bevel must face piston 104 7 Lubricate inside diameter 01971 1 7 2 5 4 2 2 2 2 6 3 1 112 ...

Страница 20: ...et 39 and the u cup packing 20 from the outlet housing 18 Reassembly 1 Lubricate the u cup packing 19 and install it in the bottom cylinder cap 4 with the lips facing up toward the air motor 1 See Fig 10 2 Grease and install the u cup packing 20 and the copper gasket 39 in the outlet housing 18 The lips of the u cup must be facing down toward the pump 3 Install the housing 18 on the cap 4 4 Reconn...

Страница 21: ...ll o rings 34 and install them on the top cylinder cap 3 Repeat for the bottom cylinder cap 4 See Fig 11 2 Install the top cap 3 on the cylinder 2 Be sure that the large o ring 22 does not roll out of the groove Install two M4 screws 25 in the square section of the cap and four M5 screws 42 in the tabs Torque the two M4 screws 25 to 14 to 17 in lb 1 6 to 1 9 N m and the four M5 screws 42 to 35 to ...

Страница 22: ...ve the top cap See Cylinder and Piston Service 4 Repeat for the bottom cylinder cap 4 Reassembly 1 If the o ring 24 was removed it must be installed from the inside of the top cap 3 Lubri cate the o ring See Fig 11 Reinstall the top cap See Cylinder and Piston Service 2 Install the two o rings 23 on the pin 12 Grease the pin and insert it in the top cap 3 The long end must point toward the inside ...

Страница 23: ...1 18 4 22 17 27 30 14 32 27 35 1 2 4 Lubricate with grease Torque to 60 to 80 in lb 6 8 to 9 0 N m Torque to 14 to 17 in lb 1 6 to 1 9 N m 5 Grease inner wall Long end of pin must point toward inside of motor 17 REF 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 2 24 1 42 42 Fig 11 3 6 5 3 4 3 36 ...

Страница 24: ...pen end of the valve housing until it bottoms out as shown in the Detail in Fig 12 3 Install the two u cups 31 on the spool 6 with the u cup lips facing toward each other Generous ly grease the spool and the inner diameter of the housing 5 Install the spool in the housing Posi tioned at either end of its travel The spool should not be centered NOTE If the spool slides out of the other end of the h...

Страница 25: ... installed from inside of housing 5 1 2 3 4 Lubricate with grease Torque to 14 to 17 in lb 1 6 to 1 9 N m 5 10 1 2 2 2 2 Grease inside diameter 3 3 4 4 2 2 5 Fig 12 06705 U cup assembly tool valve housing spool U cup lips point toward center of spool Detail of U Cup Assembly Tool 01968A 2 2 6 6 Lips point toward center of spool 6 ...

Страница 26: ...8 10 41 40 101 44 43 109 110 108 107 111 105 106 104 112 103 102 REF 102 112 17 REF 18 20 39 42 35 32 30 14 22 22 11 11 15 15 16 16 23 23 12 12 24 24 19 36 13 31 25 26 25 30 21 31 33 34 34 28 33 25 17 29 27 27 107 REF 01964A 29 42 37 ...

Страница 27: ...8 830 LABEL warning 1 39 150 694 GASKET copper 1 40 104 029 LUG grounding 1 41 104 582 WASHER tab grounding 1 42 113 945 SCREW flange hex hd M5 x 0 8 20 mm 0 79 in long 8 43 112 086 RING retaining 1 44 188 593 PLATE mounting carbon steel 1 100 235 863 DISPLACEMENT PUMP Series A Used on Model 235 888 Includes items 101 to 112 1 235 864 DISPLACEMENT PUMP Series A Used on Model 235 889 Includes items...

Страница 28: ...te Stroke length 3 25 in 82 5 mm Maximum pump operating temperature 130 F 54 C Air inlet size 3 8 npt f Fluid outlet size 1 4 npt f Wetted parts carbon steel zinc plating ductile iron polyurethane ultra high molecular weight polyethylene Buna N Sound pressure level at 70 psi air and 30 cpm 72 99 dB A Sound power level at 70 psi air and 30 cpm 85 88 dB A Sound pressure level at 150 psi air and maxi...

Страница 29: ...m diameter 2 5 in 63 5 mm 2 125 in 54 mm Mounting Hole Layout 01965A Dimensions Model No A B C D Weight 235 888 27 369 in 695 mm 17 489 in 444 mm 9 88 in 251 mm 7 102 in 180 mm 11 lb 5 0 kg 235 889 36 619 in 930 mm 26 739 in 679 mm 9 88 in 251 mm 7 102 in 180 mm 14 lb 6 4 kg 235 890 43 559 in 1106 mm 33 679 in 855 mm 9 88 in 251 mm 7 102 in 180 mm 16 lb 7 3 kg ...

Страница 30: ...r air pressure Test Fluid No 2 grease specific gravity 0 92 35 350 21 210 0 36 0 54 1 0 A B C D To find Fluid Outlet Pressure psi MPa bar at a specific delivery rate lb min or kg min and operating air pressure psi MPa bar 1 Locate delivery rate along bottom of chart 2 Follow vertical line up to intersection with selected fluid outlet pressure curve 3 Follow left to scale to read fluid outlet press...

Страница 32: ...RRANTY OF MERCHANTABILITY OR WARRANTY OF FITNESS FOR A PARTICULAR PURPOSE Graco s sole obligation and buyer s sole remedy for any breach of warranty shall be as set forth 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 availabl...

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