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MAINTENANCE MANUAL
GUIDELINE SUMMARY OF GUIDELINES
. WATER THAT IS NOT HEATED PROCEDURE: REMOVAL/PROTECTION SNOW, ICE OR FROST PERMITTED PROCEDURE TO APPLY ANTI-ICING FLUID OUTSIDE. OPTIONAL TO REMOVE THE SNOW FROM THE SURFACES IN THE HANGAR OR 34`F OR ABOVE TEMP STABLE OR ON THE INCREASE NOT PERMITTED 27`F TO 34`F TEMP STABLE OR ON THE INCREASE NOT PERMITTED BELOW 27`F
. HOT WATER DEICING AFTER DEICING ANTI-ICING FLUID TANK) APPLY (180-200`F AT THE OUTSIDE. OPTIONAL TO APPLY THE ANTI-ICING FROST IN THE HANGAR OR REMOVE THE ICE, SNOW OR PERMITTED PROCEDURE TO FLUID OR OUTSIDE OR FROST IN THE HANGAR TO REMOVE THE ICE, SNOW PROCEDURE RECOMMENDED NOT PERMITTED
. DEICING FLUID (180 TANK) TO 200`F AT THE ABOVE FREEZING) TO USE IN TEMPERATURES OF THE FLUID IS TOO HIGH NOT RECOMMENDED (THE COST FROST OUTSIDE REMOVE THE ICE, SNOW OR PERMITTED PROCEDURE TO FROST OUTSIDE REMOVE THE ICE, SNOW OR PROCEDURE RECOMMENDED TO
. ANTI-ICING FLUID IT IS NOT NECESSARY HOT WATER PROCEDURE APPLY IF YOU USE THE OCCUR AN ICE, SNOW OR FROST CONDITION WILL POSSIBLY APPLY AS PROTECTION IF
A MINIMUM ICE, SNOW OR FROST TO KEEP THE COLLECTION OF APPLY AS PROTECTION TO DEICING IF IT IS NECESSARY APPLY AGAIN AFTER
NECESSARY DEICING IF IT IS APPLY AGAIN AFTER
Guidelines Summary: Ice, Snow or Frost Conditions
Figure 301 (Sheet 1)
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
12-33-01
ALL ú ú 01 Page 305 ú May 28/00
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
G96947
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MAINTENANCE MANUAL
GUIDELINE TOPICS SUMMARY OF GUIDELINES
APU WARNING:PERSONS MUST STAY CLEAR OF THE DANGER AREAS IN FRONT OF THE APU INLET AND IN BACK OF THE APU EXHAUST WHEN IT OPERATES. THE DANGER ZONE GIVEN IN CHAPTER 10 MUST BE OBEYED.
APU CAN OPERATE WHEN DEICING BUT OBEY THE PRECAUTIONS.
ENGINES _______PERSONS MUST STAY CLEAR OF THE DANGER AREAS IN FRONT OF THE ENGINEWARNING: INLET AND IN BACK OF THE ENGINE EXHAUST WHEN THE ENGINE OPERATES. THE DANGER ZONE GIVEN IN CHAPTER 10 MUST BE OBEYED.
DO NOT OPERATE ENGINES WHILE DEICING IF POSSIBLE.
IF THE ENGINE MUST OPERATE WHILE DEICING, OBEY THE PRECAUTIONS.
PRECAUTIONS DO NOT RELEASE THE AIRPLANE FOR TAKEOFF WITH ICE, SNOW OR FROST ON THE CONTROL OR WING OR HORIZONTAL TAIL SURFACES EXCEPT FOR A MAXIMUM OF 1/8-INCH FROST ON THE LOWER WING SURFACE BETWEEN THE SPARS.
FUSELAGE AND VERTICAL TAIL SURFACES MUST BE FREE FROM ICE AND SNOW. THIN HOAR FROST IS PERMITTED ON THE TOP OF THE FUSELAGE.
DO NOT POINT THE SPRAY OF DEICING/ANTI-ICING FLUID DIRECTLY INTO THE ENGINE OR APU INLETS, EXHAUSTS, ENGINE THRUST REVERSERS, PROBE INLETS, SCOOPS, VENTS DRAINS, ETC.
DO NOT POINT THE SPRAY OF HOT FLUID DIRECTLY ON THE WINDOWS WHEN THEY ARE COLD.
DO NOT PUSH ICE OR SNOW INTO THE OPENINGS AROUND THE FLIGHT CONTROL SURFACES DURING THE REMOVAL PROCEDURE.
DO NOT CLOSE A DOOR UNTIL YOU REMOVE ALL OF THE ICE OR SNOW WITH DEICING FLUID.
CLOSE THE VALVES FOR THE AIR CONDITIONING PACKS AND BLEED VALVES IF THE ENGINES OR THE APU WILL OPERATE.
INSPECTION FOR
OPERATE ALL OF THE CONTROL SURFACES THROUGH THEIR FULL CYCLE. USE A PERSON OPERATION
ON THE GROUND TO MAKE SURE THE CONTROL SURFACES MOVE FULL TRAVEL. IF YOU THINK THAT SEALS ARE FROZEN OR THERE ARE BLOCKAGES, THEN MOVE THE CONTROL SURFACES MANUALLY BEFORE YOU APPLY POWER.
MAKE SURE THE PITOT AND STATIC OPENINGS ARE FREE OF BLOCKAGES AT LEAST 4 FEET AWAY.
MAKE SURE THERE IS NO ICE, SNOW OR SLUSH COLLECTED ON THE LANDING GEAR OR IN THE WHEEL WELL AREA.
MAKE SURE THAT ALL THE INLETS AND EXHAUSTS ARE NOT BLOCKED.
MAKE SURE THAT ALL THE DRAINS ARE CLEAR AND NOT BLOCKED.
MAKE SURE THE ANGLE OF AIRFLOW SENSORS ARE CLEAR OF ICE AND/OR SNOW AND THAT THE SENSORS MOVE FREELY.
Guidelines Summary: Ice, Snow or Frost Conditions
Figure 301 (Sheet 2)
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