(j)
Donotexceed four heatcurerepairsin the same area.

NOTE:Any damage notcoveredby the above the cell should be returned for repair to: Loral EngineeredFabrics,669GoodyearStreet,Rockmart,Georga.30153-0548.
EFFECTIVITY:
040-999

PAGE16
Jan 10/90 28-10-00
PIPERAIRCRAFT
PA-42-720(Advanced Trainer)
MAINTENANCEMANUAL

A. Storage (continued)
CHART 801

FUEL CELL REPAIR EQUIPMENT LISTS (Sheet 1 of 2)
Repair Kit, Loral Part No. 2F1-3-37813 
ITEM/ DESCRIPTION *5923C Cement FT -227 Repair fabric Methylethylketone(MEK)soAP-368 manual  lvent  GROUP I MINIMUM MATERIALS (3 component, 1/2pint set.) (Sheet,12 in x 12 in min.) (Quartcan) (latest issue)  QUANTITY REQUIRED 8 2 1 1 

*Shelf life limited to one year from date on container.
GROUPII MINIMUM EQUIPMENT ITEM / DESCRIPTION CQUANTITY REQUIRED Measuring cup (250 ml.) 1 Releasefilm (cellophane) (Sheet6 in. x 24 in. min.) 2 Foam rubber, cloth backed (Sheet 1/4 in. x 12 in. x 12 in. min.) 2 Cement application brush (1 in. wide) 2 Aluminumpressure plate (1/4 in. x 6 in. x 6 in. min.) 4
GROUPIIIMINIMUM LEAK TEST EQUIPMENT ITEM / DESCRIPTION CQUANTITY REQUIRED Phenolphthalein(analyticalI grade) (40g in 2 oz bottle) 4 btl. Ammonia(27% concentrate e) (commercialgrade) 1 pt. Ethyl alcohol (commercialgrade) 8qt. Balloonor broad cloth (white) 2 yd. 2F1-3 -35721 -1 heat cu re iron (240°Ftemperaturesetting) 1 C -clamps (6inch) 6 Vaperproof light (with 25 foot cord) 1 Sheers (8 to 10 inch long) 1 Electric motor (Black and Decker P/N 725, 2250 rpm,
1.9 amp, 115 VAC or equivalent) 1 Abrasive armor (Dunemore R421003, 1/4 in. drive,
1 in. long x 1 in. dia.,or equivalent.) 1 Sandingsleeve (80grit) 6 Abrasive cloth (120 grit in sheets) 2 Abrasive cloth (320 grit in sheets) 2 Scale (12 inch straight edge) 1 Manometer (Fisher Scientific Co. P/N 11 -286,
water or mercury, 12 in. long, or equivalent.) 1 Closureplates (fabricatedlocally) A/R
EFFECTIVITY:

28-10-00PAGE

10/907
Jan 10/90

PIPERAIRCRAFT
PA-42-720(AdvancedTrainer)
MAINTENANCEMANUAL

A. Storage(continued)
CHART801

FUELCELL REPAIR EQUIPMENT LISTS (Sheet2 of 2)
Repair Kit, LoralPart No. 2F1-3-42215
GROUP I MATERIALS
ITEM / DESCRIPTION  QUANTITY REQUIRED
3604N nylon fabric (NSN 8135-01-242-3515)3.5 oz 2 sq. yds. *82C32 CementNSN 8040-01-243-6624 (2 component set) 9 ea. 1/2 pt.
AP -472 Manual  (latestissue)  1 ea. 
*Shelf lifelimit 12 months. 
GROUPII MATERIALS 
ITEM/ DESCRIPTION  QUANTITYREQUIRED 
Cementapplicationbrush ScotchBrite pad  (1 inch wide) (6 inchx 9 inch)  4 ea. 2 ea. 
Tounge depressor  (wooden)  9 ea. 
Curved scissors (4inch long) Chinamarker  (white#164T)  1 pr. 1 ea. 

NOTE:  All materials requiredto perform autorizedrepairsare included in the group I and group II repair kits except for clean cloths and methylethyketone.Accessories
-To be ordered per individual cell requirements.
NOTE: Order materialand equipmentfrom Aero Hardware and Parts Co. if not avaialble orderfrom
Loral Engineered Fabrics.
Aero Hardware & Parts Co.  Loral Engineered Fabrics
1037Boston Post Road 669 GoodyearStreet Rye, NY 10580. RockmartGeorga,30153-0548
NOTE:  Repairfabric and cement can be purchased seperatlyby specifyingthe code number or nationalstock number (NSN)listed above
NOTE:  Solvent and cleancloth can be purchased from Aero Hardware or a local supplier.
EFFECTIVITY:
040-999

PAGE18 28-10-00 Jan 10/90
PIPER AIRCRAFT
PA-42-720(Advanced Trainer)

MAINTENANCE MANUAL

A. Storage (continued)
16.RepairPatch (Heat Cure Method)
CAUTION:  DO NOT APPLY AN OUTSIDE AND INSIDE PATCH SIMULTANEOUSLY. APPLY OUTSIDEPATCHFIRST.
(a) Cut a patch from FT -227 repair fabric to the size required to ensure a proper lap over the injury in all directions.
(1.) Hold shearsat an angle to produce a beveled edge (feather) on the patch. (2.) Round comers of patch. Ensure dull side or gum contact face of repair patch is the largest surface after beveling.
(b)Washone square foot of cell wall beyond damaged area in all directions.
solvent.

(c) Washcontact side of patch using a clean cloth dampened with Methylethylketone
(d)Center repair patch over damaged area. Mark cell 0.50 inch beyond patch in all directions
CAUTION: BUFF CELL SURFACE WITH CARE TO AVOID FURTHER DAMAGE.
(e)
Buff cell surface surrounding damaged area as marked and contact side of patch with fine emery cloth to remove gloss.

(f)
Wash cell and patch surfaces two more times using a cloth dampened with MEK.
　
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