Indicated 110 127 148 174 207 249 304 367 442 532
Pressure 134 155 180 212 251 299 354 417 492 582

EFFECTIVITY:
040-999

Jan 10/9026-20-00
PIPERAIRCRAFT
PA-42-720(AdvancedTrainer)
MAINTENANCEMANUAL

A. Extinguishing (continued)
7. PortableFire Extinguisher
WARNING: AFTERDISCHARGEOFEXTINGUISHERAVOIDEXPOSURETO SMOKE, VAPORSANDOTHERBY-PRODUCTS OF FIRE. DO NOT INCINERATE EXTINGUISHER.
CAUTION:  EXTINGUISHERIS A PRESSURE VESSEL. PROTECTFROM CORROSIVE CONDITIONS.IF THERE IS ANYCORROSIONOR DAMAGE, EXTINGUISHER SHOULDBECAREFULLYEMPTIEDAND DISCARDED.USEONLY AS DIRECTED.
Theportablefire extinguisher unit General Fire Extinguisher Corporation(ModelNo.GH -2 -1/2), contains2 1/2 pounds of Halon 1211. It has a discharge rateof no less than 9.5 seconds. The originalweightof the extinguisher is 4 pounds 12 ounces
facilities.Themanufacturer andreturn for a service charge. (See list of vendors)
NOTE:Thereare no field recharge  willrecharge
To operate theextinguisher, it from the quick-releasebracket,hold it upright in either
remove handby the handgrip,withthe spray nozzlepointingforward.Removethesafetypin,direct the
nozzletowardsthebase of the fire source, squeezethe lever with the palm of the hand.Maximum
extinguishingeffectis obtained if the fire -fighterusesside to side motion and keeps movingin
towardsthebaseof the fire sourceasit is extinguished. Releasingthe lever closesa secondary
sealinsidethe operating head. This interrupts the flow of extinguishant, thus retaining part of the
charge,for dealingwith a flash back orre-ignitionshouldthey occur, withoutwasteor leakage.
Ejectionof the indicatordiscprovidesa visual indicationof partialor total discharge. A partly or
totallydischargedextinguisherassemblyshouldbe replaced immediatelyafter use.
The extinguisher shall be inspected monthlyor unless otherwisespecified.The nozzleshall be
examinedto ascertain that they are unobstructed.Thetampertag or tamper indicatorshall be
intact. Theextinguishershall be pressurizedas indicatedand the weightshallbe withinthe
tolerance on the label
The required servicechecksare as follows:
(a) 12 year hydro -statictest.
EFFECTIVITY:
26-20-00 Jan10/90
PIPER AIRCRAFT
PA-42-720 (Advanced Trainer)
MAINTENANCE MANUAL

CHAPTER 27

LIST OF EFFECTIVE PAGES

CHAPTER  CHAPTER 
SECTION  PAGE  DATE  SECTION  PAGE  DATE 
27-EFFECTIVITY  1  Feb 1/98  27-30-00  3  Jan 10/90 
27-CONTENTS  1  Feb 1/98  27-30-00  4  Jan 10/90 
27-CONTENTS  2  Jan 10/90  27-30-00  5  Jan 10/90 
27-CONTENTS  3  Jan 10/90  27-30-00  6  Feb 1/98 
27-00-00  1  Jan 10/90  27-30-00  7  Jan 10/90 
27-00-00  2  Jan 10/90  27-30-00  8  Jan 10/90 
27-00-00  3  Jan 10/90  27-30-00  9  Jan 10/90 
27-00-00  4  Jan 10/90  27-30-00  10  Jan 10/90 
27-00-00  5  Jan 10/90  27-30-00  11  Jan 10/90 
27-00-00  6  Jan 10/90  27-30-00  12  Jan 10/90 
27-00-00  7  Jan 10/90  27-30-00  13  Jan 10/90 
27-00-00  8  Jan 10/90  27-30-00  14  Jan 10/90 
27-10-00  1  Jan 10/90  27-30-00  15  Jan 10/90 
27-10-00  2  Jan 10/90  27-30-00  16  Jan 10/90 
27-10-00  3  Jan 10/90  27-30-00  17  Nov 1/90 
27-10-00  4  Jan 10/90  27-50-00  1  Jan 10/90 
27-10-00  5  Jan 10/90  27-50-00  2  Jan 10/90 
27-10-00  6  Jan 10/90  27-50-00  3  Jan 10/90 
27-10-00  7  Jan 10/90  27-50-00  4  Jan 10/90 
27-10-00  8  Jan 10/90  27-50-00  5  Jan 10/90 
27-10-00  9  Jan 10/90  27-50-00  6  Jan 10/90 
27-10-00  10  Jan 10/90  27-50-00  7  Jan 10/90 
27-10-00  11  Jan 10/90  27-50-00  8  Jan 10/90 
27-10-00  12  Jan 10/90  27-50-00  9  Jan 10/90 
27-10-00  13  Jan 10/90  27-50-00  10  Jan 10/90 
27-10-00  14  Jan 10/90  27-50-00  11  Jan 10/90 
27-10-00  15  Feb 1/98  27-50-00  12  Jan 10/90 
27-10-00  16  Jan 10/90  27-50-00  13  Jan 10/90 
　
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