|
| | | 37F7, HEATERS DRAIN MST AIR|
| B41 | FWD DRAIN MAST HEATER | and|
| | | 34B3(B), HEATERS DRAIN MST GND|
................................................................................| | |
|
| | | |
| | | |
2........…...........................….........................................1
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30-71-01
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A
757
MAINTENANCE MANUAL
~.............................................................................. | REF | | | | NO. | TYPE OF HEATER | CIRCUIT BREAKER | ................................................................................
| | | 37F7, HEATERS DRAIN MST AIR |
B42| AFT DRAIN MAST HEATER| | and |
| | | 34B3(B), HEATERS DRAIN MST GND |
2........…...........................….........................................1
*[1] GUN 102-199
B. Procedure
S 014-006
(1)
Remove the insulation from the water lines, if necessary.
S 034-007
(2)
Remove the MS3367 strap from around the electrical leads.
S 034-008
(3)
Cut the electrical leads near the terminal button.
NOTE: Keep the cut leads in position to help you find the location
____ for the splice.
S 024-009
(4) Remove the heater tape.
TASK 30-71-01-404-010
3. Install the Heater Tapes (Fig. 401)
________________________
NOTE: If you have too much heater tape, you can wind it more times if it
____ does not make an overlap.
Attach flat-wound heater tapes to the lines with continuous flame-resistant adhesive tape above the center of the heater tape. Make sure you wind the flame-resistant adhesive tape around the heater line on 7-inch (17.78 cm) centers.
Attach spirally wound heater tapes to the lines with continuous flame-resistant adhesive tape above the center of the heaters.
Make sure the maximum line without heat is 1.0 inch (2.54 cm). Install heater tapes flat on joints.
A. Consumable Materials
(1) Tape, Adhesive, Flame Resistant - 1.5 inches wide (use one of these tapes):
(a)
G00295 3M No. 474
(b)
G02129 Permacel P-29 Silver
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