E. Repair of Slight Abrasions/Minor Damage
S 358-017-C00
(1) Do the steps that follow for repair of slight abrasions and
minor damage.
NOTE: This repair is for areas less than four square inches and the
____ depth of the damage is less than 20 percent of the insulation thickness.
CAUTION: OBEY THE INSTRUCTIONS IN THE PROCEDURE TO CLEAN THE REPAIR
_______ AREAS. DO NOT USE SOLVENTS TO CLEAN THE REPAIR AREA BECAUSE CONTAMINATION OF THE INSULATION CAN OCCUR EASILY. IF YOU DO NOT OBEY THESE INSTRUCTIONS, YOU CAN CAUSE DAMAGE TO THE EQUIPMENT.
(a)
Move abrasive paper lightly on the edges to make them smooth.
(b)
Remove the dust with a soft brush or a clean cheesecloth.
(c)
Seal the areas where you see the insulation.
(d)
Use your BMS 10-11, Type II sealant.
NOTE: Refer to the supplier's recommendations when you mix
____
BMS 10-102, Type II.
F. Repair of the Scratches, Cuts and Minor Damage Down to Base Metal
S 358-010-C00
(1) Do the steps that follow for repair of the scratches, cuts and minor damage down to base metal.
NOTE: This repair procedure is for damage less than one-half inch
____
in width that goes down to the base metal.
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78-31-01
ALL ú ú C02 Page 804 ú Jul 12/00
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / /
CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
SEEA 45`45`
315`
45`
THRUST REVERSER SLEEVE FAN
DUCT COWL X 1
DOWEL 2
A
HONEYCOMB
FACE SHEET
A MADE OF
SPECIFIED REPAIR AREA
DOWEL
ALUMINUM
2
A
DAMAGED PORTION OF THE INSULATION LAYERLENGTH WITH NO LIMIT
INSULATION
WITH NO DAMAGE
DOWEL
INSULATION
HONEYCOMB1 DIMENSION X OF 2.0 INCHES OR FACE SHEETMORE ARE SEPARATE DAMAGE MADE OFAREAS (LESS THAN 2.0 INCHES ALUMINUMIS ONE DAMAGE AREA)
2 1.0 INCH DIAMETER DOWEL
A-A Fan Duct Cowl and Thrust Reverser Repair Figure 801 (Sheet 1)
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78-31-01
ALL ú ú C01 Page 805 ú Jul 15/96
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / /
CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
CAUTION: OBEY THE INSTRUCTIONS IN THE PROCEDURE TO CLEAN THE REPAIR
_______ AREAS. DO NOT USE SOLVENTS TO CLEAN THE REPAIR AREA BECAUSE CONTAMINATION OF THE INSULATION CAN OCCUR EASILY. IF YOU DO NOT OBEY THESE INSTRUCTIONS, YOU CAN CAUSE DAMAGE TO THE EQUIPMENT.
(a)
Remove the loose material with a soft brush or a clean cheesecloth.
(b)
Seal the areas where you see the insulation.
(c)
Use BMS 10-102, Type II.
NOTE: Refer to the supplier's recommendations when you mix
____
BMS 10-102, Type II.
G. Repair of Major Damage and Missing Insulation - Molded Patch Method
S 358-011-C00
(1) Do the steps that follow for repair of major damage and missing insulation:
RTV560 OR RTV60 CURING AGENT CONCENTRATION AND CATALYST MEASURING GUIDE
Nuocure 28 (Tin Octoate) Thermolyte-12 (Dibutyl Tin Dilaurate)
Curing Agent Concen-tration (Parts per 100) No. of Drops 3 Concentration of the Catalyst at the given Pot Life (Hours) Full Cure (Hours) No. of Drops Concentration 3 of the Catalyst at the given Pot Life (Hours) Tack Free (Hours) Full Cure (Hours)
Per 100g Per lb Per 100g Per lb
0.1 0.25 0.5 4 12 20 21 62 105 0.5 0.25 0.1 1.0 0.75 0.5 5 15 25 23 69 115 4-6 2-3.5 1-1.5 1.5-2.5 5-7 10-12 36-40 26-30 16-24
FROM A USUAL-TYPE MEDICINE DROPPER
Fan Duct Cowl and Thrust Reverser Repair
Figure 801 (Sheet 2)
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