A. Airfoil -Description and Operation (continued) 
CHART 4 MATERIALSFOR VULCANIZED REPAIRS 
Part No.  Description  Qty. 
74-451-B  SUPPORT KIT, High pressure Deicer vulcanized repairs..............  1 

74-451-B-1 MATERIALS KIT ..........................................................................

1

74-451-2  . NON-STRETCH FABRIC, Uncurred rubber coated ...................  15 ft x 8 in. 
74-451-3  .FABRIC TAPE, Uncured rubber coated ....................................  15 ftx 1 in. 
74-451-4  . TUBE FABRIC, Uncured............................................................  15ftx 8 in. 
74-451-5  . GUM, 0.005 Uncured................................................................. 15 ft x 2 3/4 in. 
74-451-6  .GUM, 0.020 Uncured .................................................................  15 ft x 8 in. 
74-451-7  .TREATED PAPER, Holland or silicone ......................................  30 ftx 8 in. 
74-451-8  .VULCANIZING CEMENT, No. 60...............................................  lqt 
74-451-9  .VULCANIZING CEMENT, No. 61...............................................  lqt 
74-451-10  .. SOAPSTONE............................................................................. lqt 
74-451-11  .CONDUCTIVECEMENT, *A-56-B.............................................  1/2 pt 
74-451-12  .. *NEPORENE PUTTY.................................................................  1/2 pt 
° 

*These cements have an extended shelf life, if kept under refrigeration, from 0 to 40°F.
CHART5
EQUIPMENTFOR VULCANIZED REPAIRS

Part No. Description Qty.

74-451-B SUPPORT KIT, High pressure Deicer vulcanized repairs.............. 1
74-451 -B-2 ... Tool Kit, C om plete .................................................................... 1

74-451 -B-3  ...  Tool Kit, Special........................................................................ 
74-451 -B-4  ...  Tool Kit, Standard ..................................................................... 
74-451-40  ...  VULCANIZER, Large 2 1/3 x 8 ................................................ 

111

74-451-41 . PADS, Sponge rubber, 3 1/2 x 11 ............................................ 3
74-451-42 . CURING METAL, 6x 10 .......................................................... 2
74-451-70 ... BRUSH, Cement, 1/2 in. ....................................................... 2
74-451-71 ... BRUSH, Cement (Artist) .......................................................... 2

74-451-72 ... SH EA R S , 10 in.. .....................................................................

1

74-451-73 ... STITC H ER , 1/8 in. Steel .......................................................... 1

74-451-74 ... ROLL, Sponge rubber 2 1/2 in. ..............................................

1

74-451-75 ... STICKS, Emery buffing ............................................................ 6

74451-76 ... K N IFE H A N D LE .......................................................................

1

74-451-77 74-451-78 74-451-79 74-451-80 74-451-81 74-451-82 74-451-83 74-451-84 74-451-85
... K N IFE B LA D E ..........................................................................
... W H ETT IN G STO N E .................................................................
... HYPODERMIC NEEDLE.........................................................
... ELECTRIC BUFFER................................................................
... MANDREL(for felt wheels) ......................................................
... WHEELS (felt buffing) ..............................................................
... STONE, Grinding, pointed .......................................................
... STONE, Grinding, flat ..............................................................
... N U T, H ex..................................................................................

3 1 6 1 3 24 3 4 3

EFFECTIVITY:

040-999
30-10-00 PAGE
Jan 10/90

PIPERAIRCRAFT
PA-42-720(Advanced Trainer)
MAINTENANCEMANUAL

A. Airfoil-Description and Operation (continued)
(d) DefinitionofTerms
Termsin the following instructionsareexplainedbelow:
(1.) Wash-Clean surface withclean cloth moistenedwith Toluol or MEK.(Benzineor nonleadedgascan be usedin place of cleaning solvent. Do not permit free solventsto remain on surfaces.)
(2.) Route-Remove rubber surfaces withhexnut on shaft attached to electric buffer. (3.) Buff-Roughen surfaceswith Carborundum
　
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