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308368

11

Troubleshooting

To reduce the risk of serious injury, including splashing fluid in the eyes or on the skin, follow the 

Pressure

Relief Procedure

 on page 9 when this manual instructs you to relieve pressure, when you shut off the pump,

and before checking, adjusting, cleaning, moving, or repairing any system equipment.

WARNING

NOTE: Check all possible problems and causes before disassembling the pump.

PROBLEM

CAUSE

SOLUTION

Pump cycles at stall or fails to hold pres-
sure at stall.

Worn check valve balls (301), seats
(201) or o-rings (202).

Replace. See page 14.

Pump will not cycle, or cycles once and
stops.

Air valve is stuck or dirty.

Disassemble and clean air valve. See
pages 12 to 13. Use filtered air.

Check valve ball (301) severely worn
and wedged in seat (201) or manifold
(102 or 103).

Replace ball and seat. See page 14.

Check valve ball (301) is wedged into
seat (201), due to overpressurization.

Install Pressure Relief Valve 
(see page 7).

Dispensing valve clogged.

Relieve pressure and clear valve.

Pump operates erratically.

Clogged suction line.

Inspect; clear.

Sticky or leaking check valve balls
(301).

Clean or replace. See page 14.

Diaphragm ruptured.

Replace. See pages 15 to 17.

Restricted exhaust.

Remove restriction.

Air bubbles in fluid.

Suction line is loose.

Tighten.

Diaphragm ruptured.

Replace. See pages 15 to 17.

Loose inlet manifold (102), damaged
seal between manifold and seat (201),
or damaged o-rings (202).

Tighten manifold bolts (106) or replace
seats (201) or o-rings (202). See page
14.

Loose diaphragm shaft bolt (107).

Tighten or replace. See pages 15 to 17.

Damaged o-ring (108).

Replace. See pages 15 to 17.

Fluid in exhaust air.

Diaphragm ruptured.

Replace. See pages 15 to 17.

Loose diaphragm shaft bolt (107).

Tighten or replace. See pages 15 to 17.

Damaged o-ring (108).

Replace. See pages 15 to 17.

Pump exhausts excessive  air at stall.

Worn air valve block (7), o-ring (6), 
plate (8), pilot block (18), u-cups (10), or
pilot pin o-rings (17).

Repair or replace. See pages 12 to 13.

Worn shaft seals (402).

Replace. See pages 15 to 17.

Pump leaks air externally.

Air valve cover (2) or air valve cover
screws (3) are loose.

Tighten screws. See page 13.

Air valve gasket (4) or air cover gasket
(22) is damaged.

Inspect; replace. See pages 12 to 13,
18 to 19.

Air cover screws (3) are loose.

Tighten screws. See pages 18 to 19.

Pump leaks fluid externally from ball
check valves.

Loose manifolds (102, 103), damaged
seal between manifold and seat (201),
or damaged o-rings (202).

Tighten manifold bolts (106) or replace
seats (201) or o-rings (202). See page
14.

Содержание Husky 2150

Страница 1: ...ps Model No DFH Aluminum Extended Pump Model No DF4 Stainless Steel Pumps Model No DF6 Ductile Iron Pumps Model No DFC Aluminum BSPT Pumps Model No DFD Stainless Steel BSPT Pumps Model No DFF Ductile...

Страница 2: ...Observe all warnings Read and understand all instruction manuals warning labels and tags before operating the equipment D Never alter or modify any part of this equipment doing so could cause it to m...

Страница 3: ...ing pumped dust particles and other flammable substances whether you are pumping indoors or out doors and can cause a fire or explosion and serious injury and property damage D To reduce the risk of s...

Страница 4: ...irst day of operation check and retorque the fasteners again Although the recommended frequency for retorquing fasteners varies with pump usage a general guideline is to retorque fasteners every two m...

Страница 5: ...se it to relieve trapped air See the WARNING above Locate the other master air valve E upstream from all air line accessories and use it to isolate them during cleaning and repair c The air line filte...

Страница 6: ...toff valve K in the fluid outlet line Retorquing with TeflonR Seals or Diaphragms If your pump has TeflonR seals in the manifolds or if it has TeflonR diaphragms retorque the manifold bolts 106 and fl...

Страница 7: ...02 101 106 112 2 Apply medium strength blue LoctiteR or equivalent to the threads Torque to 190 to 220 in lb 22 to 25 N m 2 106 2 Fluid Pressure Relief Valve Some systems may require installation of a...

Страница 8: ...t is 3 4 npt f Do not restrict the air exhaust port Excessive exhaust restriction can cause erratic pump operation To provide a remote exhaust 1 Remove the muffler P from the pump air exhaust port 2 I...

Страница 9: ...rts to cycle Allow the pump to cycle slowly until all air is pushed out of the lines and the pump is primed If you are flushing run the pump long enough to thoroughly clean the pump and hoses Close th...

Страница 10: ...sh the pump and follow the Pressure Relief Procedure Warning on page 9 before storing it for any length of time Use a compat ible solvent Tightening Threaded Connections Before each use check all hose...

Страница 11: ...ured Replace See pages 15 to 17 Restricted exhaust Remove restriction Air bubbles in fluid Suction line is loose Tighten Diaphragm ruptured Replace See pages 15 to 17 Loose inlet manifold 102 damaged...

Страница 12: ...dle nose pliers pull the pilot block 18 straight up and out of the cavity See Fig 7 4 Pull the two actuator pistons 11 out of the bear ings 12 Remove the u cup packings 10 from the pistons Pull the pi...

Страница 13: ...in 16 Grease the pins and o rings Insert the pins into the bearings 15 narrow end first See Fig 8 5 Install a u cup packing 10 on each actuator piston 11 so the lips of the packings face the narrow en...

Страница 14: ...to the fluid covers 101 See Fig 10 4 Remove the seats 201 balls 301 and o rings 202 from the manifold NOTE Some models do not use o rings 202 5 Turn the pump over and remove the inlet manifold 102 Re...

Страница 15: ...e 401 Use all the parts in the kit for the best results 1 Follow the Pressure Relief Procedure Warning on page 9 2 Remove the manifolds and disassemble the ball check valves as explained on page 14 3...

Страница 16: ...ring 108 on the shaft bolt 107 b Install the fluid side diaphragm plate 105 on the bolt so the rounded side faces in toward the diaphragm 401 c On TeflonR Models only install the TeflonR diaphragm 403...

Страница 17: ...with Diaphragms Removed 1 Lips face out of housing 1 Rounded side faces diaphragm 401 Air Side must face center housing 1 1 Grease Apply medium strength blue LoctiteR or equivalent Torque to 20 to 25...

Страница 18: ...earings 19 reach into the center housing 1 with an o ring pick and hook the u cup packings 402 then pull them out of the housing Inspect the packings See Fig 12 Reassembly 1 If removed install the sha...

Страница 19: ...16 H M Insert bearings tapered end first Press fit bearings flush with surface of center housing 1 Apply medium strength blue LoctiteR or equivalent to the threads Torque to 120 to 150 in lb 14 to 17...

Страница 20: ...x do not correspond to the ref nos in the parts drawing and lists on pages 22 and 23 Diaphragm Pump Air Motor Fluid Section Seats Balls Diaphragms 232503 aluminum aluminum Hytrelr acetal Hytrelr D for...

Страница 21: ...he parts list for example 201 For example if your pump has polypropylene seats TeflonR balls and TeflonR diaphragms you need to order Repair Kit D 0 F 9 1 1 The digits in the matrix do not correspond...

Страница 22: ...g labels tags and cards are available at no cost These parts are unique to remote piloted air motor DG _ _ _ _ Z These parts are used on extension version only Ref No 106 is qty 20 on extension versio...

Страница 23: ...buna N 2 18 188614 BLOCK pilot acetal 1 19 188609 BEARING shaft acetal 2 20 116343 SCREW grounding 1 22 188603 GASKET air cover foam 2 23 23 189300 195919 COVER air aluminum COVER air 2150 remote 2 2...

Страница 24: ...NG TeflonR 2 110 Y 188621 LABEL warning 1 111 102656 MUFFLER 1 112 112543 SCREW M10 x 1 50 110 mm 4 33 in stainless steel 8 Digit Ref No Part No Description Qty C 101 15A612 COVER fluid aluminum 2 102...

Страница 25: ...eflonR 4 Ball Parts List Matrix Column 5 Digit Ref No Part No Description Qty 1 301 112359 BALL TeflonR 4 2 301 112363 BALL acetal 4 4 301 112360 BALL 440C SS 4 5 301 112745 BALL HytrelR 4 6 301 11236...

Страница 26: ...haust muffler included J F H G E FRONT VIEW B A 6 0 in 152 5 mm K 2 in 50 8 mm port diameter SIDE VIEW 6 25 in 158 8 mm 12 5 in 317 5 mm 45_ 6 0 in 152 5 mm PUMP MOUNTING HOLE PATTERN four 0 625 in 16...

Страница 27: ...165 1 mm E 17 45 in 443 2 mm 17 45 in 443 2 mm 17 45 in 443 2 mm 18 07 in 458 9 mm F 19 9 in 505 5 mm 22 88 in 579 1 mm 19 37 in 492 0 mm 22 27 in 565 7 mm G 21 9 in 556 3 mm 24 88 in 631 9 mm 21 37...

Страница 28: ...MPa 4 8 bar and 50 cpm 85 dBa Maximum operating temperature 150_ F 65 5_ C 200_ F 93 3_ C for models with TeflonR diaphragms Air inlet size 1 2 npt f Fluid inlet size 2 npt f Fluid outlet size 2 npt...

Страница 29: ...tal scale at 40 psi 0 28 MPa 2 8 bar discharge head pressure vertical scale requires approximately 60 scfm 1 68 m3 min air consumption at 70 psi 0 49 MPa 4 9 bar inlet air pressure FLUID FLOW GPM lpm...

Страница 30: ...ntal or consequential loss shall be available Any action for breach of warranty must be brought within six years of the date of sale Graco makes no warranty and disclaims all implied warranties of mer...

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