Chamberlain 8355 - Manual Door Operation and Maintenance; Disconnect and Reconnect Trolley Manually; Monthly Maintenance Checks; Annual and Periodic Maintenance

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To preventpossible SERIOUS INJURY or DEATHfrom a falling garage door:
• Ifpossible, use emergency release handle to disengage trolley ONLY when garage door is
CLOSED. Weak or broken springs or unbalanced door could resultin an open door falling rapidly
and/or unexpectedly.
• NEVER use emergency release handle unlessgarage doorway is clear of persons and
obstructions.
• NEVER use handle to pull door open or closed. Ifrope knot becomesuntied, you could fall.
DISCONNECTTHE TROLLEY
1 The door should be fully closed if possible.
2 Pull down on the emergencyrelease handle.
RECONNECTTHE TROLLEY
The lockoutfeature prevents the trolley from reconnecting automatically.
1 Pull the emergency release handle down and back (toward the
opener). The door can then be raised and lowered manually as often
as necessary.
2 To disengage the lockoutfeature, pull the handle straightdown.
The trolley will reconnect on the nextUP or DOWN operation, either
manuallyor byusing the door control or remote control.
NOTICE
NOTICE
Maintenance
EVERY MONTH
• Manually operate door.If it is unbalanced or binding,call a trained door systems technician.
• Checkto be sure door opens and closesfully. Adjust if necessary, see page 24.
• Test the safetyreversal system. Adjustif necessary, see page 25.
EVERY YEAR
• Oil door rollers, bearings and hinges.The garage door opener doesnot require additional
lubrication.Do notgrease the door tracks.
EVERY TWO TO THREE YEARS
• Use a rag to wipe away the existing grease fromthe garage door opener rail. Reapply a small layer
of white lithium grease to the top and underside ofthe rail surface where the trolley slides.
NOTICE:To comply with FCC and/orIndustry Canada (IC) rules,adjustment or modificationsof thistransceiver are prohibited. THERE
ARE NO USER SERVICEABLE PARTS. Any changes or modifications not expresslyapproved by the party responsible for compliance
could void the user'sauthorityto operate the equipment.
Thisdevice complieswith Part15 ofthe FCC rulesand IC RSS-210. Operation issubject to the following two conditions:(1)thisdevice may
not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause
undesired operation.
ThisClassBdigitalapparatuscomplieswith Canadian ICES-003.
AVIS: Lesrèglesde la FCCet/ou d’Industrie Canada (IC)interdisent tout ajustement ou toute modification de cerécepteur.IL N’EXISTE
AUCUNEPIÈCESUSCEPTIBLED’ÊTREENTRETENUEPAR L’UTILISATEUR. Tout changementou toute modification non
expressémentapprouvé parla partie responsablede la conformité peut avoirpourrésultat d'annulerl'autorité de l'utilisateurde faire
fonctionnerl'équipement.
Cet appareilestconforme auxdispositionsde la partie 15 du règlementde laFCCet de l'norme ICRSS-210. Son utilisation est assujettie
auxdeuxconditoinssuivantes:(1)ce dispositifne peut causerdesinterférencesnuisibles,et(2)ce dispositif doit acceptertoute
interférence recue,ycomprisune interférence pouvant causerun fonctionnement non souhaité.
Cet appareilnumerique de la classe Bestconforme a la norme NMB-003 du Canada.
THE REMOTE CONTROL BATTERY
To preventpossible SERIOUS INJURY or DEATH:
• NEVER allow small children near batteries.
• If battery is swallowed,immediately notify doctor.
To reduce risk of fire, explosion or chemical burn:
• Replace ONLY with coin batteries.
• DO NOT recharge, disassemble, heatabove 212°F(100°C) or incinerate.
Replace the batteries with only coin cell batteries. Dispose of old
batteries properly.
To Open the Door Manually