Impco AF1-10 Instructions Manual Download Page 4

Page: 4 / 15

PPI-4-116 REV. C

IMPCO Technologies Inc.

July, 2015

Page 4 of 15

3030 South Susan St.

Santa Ana, CA 92704

www.impcotechnologies.com

3030 S Susan Street, Santa Ana, CA 92704

Ph: +1 714 656 1200

Fax: +1 714 656 1400

4. Remove

crew (4) retaining Valve Spring (11).

5. Remove Valve Spring (11).

6. Using a small flat head screwdriver, remove Valve
Seat (19).

7. Gently lift up and remove the Valve Operating Pin
(10).

Summary of Contents for AF1-10

Page 1: ...using is correct for the Lockoff being serviced Diaphragms are color coded and have different performance characteristics BLACK Hydrin diaphragm material is the standard material and is well suited f...

Page 2: ...AB1 30149 Body ass y 8 S1 5 Screw 1 4 20 x 5 8 SEMS 2 9 S3 116 Seal Lip Pin 10 P1 15 Valve operating pin 11 S2 40 Valve spring 12 S7 3 Screen back up filter 13 F1 10 Filter 14 W1 42 Washer Seal Retain...

Page 3: ...ge 3 of 15 Santa Ana CA 92704 www impcotechnologies com 3030 S Susan Street Santa Ana CA 92704 Ph 1 714 656 1200 Fax 1 714 656 1400 REBUILD INSTRUCTIONS Disassembly 1 Remove 10 Screws 17 from Fuel In...

Page 4: ...CA 92704 www impcotechnologies com 3030 S Susan Street Santa Ana CA 92704 Ph 1 714 656 1200 Fax 1 714 656 1400 4 Remove Screw 4 retaining Valve Spring 11 5 Remove Valve Spring 11 6 Using a small flat...

Page 5: ...er clip or wire fashion a hook as shown 9 Cutaway shows assembly of Valve Spring 11 Valve Seat 19 Valve Operating Pin 10 Seal Retaining Washer 14 and Pin Lip Seal 9 Note that removal of Valve Pin allo...

Page 6: ...CA 92704 Ph 1 714 656 1200 Fax 1 714 656 1400 12 Remove 6 Screws 1 on diaphragm cover side 13 Remove Cover 2 and diaphragm 3 Clean covers body and metal parts as necessary with a safety solvent and d...

Page 7: ...rtion Tool 1 P1 14235 Pin Insertion Tool 1 PPI 128 Instructions 2 S1 15265 001 Screw 8 32 17 32 Taptite Torx 1 2 S1 15266 001 Screw 12 24 x 11 16 Torxfil 17 1 S1 15265 002 Screw 8 32 3 8 Taptite Torx...

Page 8: ...he Holder and the Seal 9 into the Body 7 of the VFF30 Looking through the fuel port position the Seal above the cavity of the seal recess 18 Coat the Pin Insertion Tool with petroleum jelly and push t...

Page 9: ...Fax 1 714 656 1400 20 Insert Seal Retainer Washer 14 in slot to hold the Lip Pin Seal 9 in place 21 Lubricate the Pin Valve 10 with petroleum jelly and insert through hole in the Washer Retainer Seal...

Page 10: ...h aluminum side up ready to be placed on jet 24 Place the Seat 19 with the viton black rubber side down in position on jet 25 Spring 11 ready to be fastened in place Be sure the arc in the center face...

Page 11: ...na CA 92704 www impcotechnologies com 3030 S Susan Street Santa Ana CA 92704 Ph 1 714 656 1200 Fax 1 714 656 1400 27 When Spring 11 is in place lift it slightly to ensure it can move freely 28 Insert...

Page 12: ...30 S Susan Street Santa Ana CA 92704 Ph 1 714 656 1200 Fax 1 714 656 1400 30 Place Gasket 15 in place and align with screw holes 31 Insert two Screws 17 opposite each other in the Fuel In cover and pl...

Page 13: ...ide to side on opposite sides of the cover until all screws are solidly set Torque to 60 70 in lbs 6 8 7 9 Nm 34 Lift Lever 6 to ensure it moves properly and verify that the Valve Pin 10 follows lever...

Page 14: ...l In opening with approximately 100 psi of air pressure Draw a soap bubble across the Lockoff outlet and vacuum port labeled VAC to verify that no air is flowing through either opening If air escapes...

Page 15: ...ALLATIONS ON STATIONARY ENGINES MUST BE DONE IN ACCORDANCE WITH FEDERAL STATE AND LOCAL LAW AND NATIONAL FIRE PROTECTION ASSOCIATION PAMPHLET 37 STATIONARY COMBUSTION ENGINES AND GAS TURBINE ENGINES T...