Craftsman 139.53920D Care Your Garage Door Opener, Limit Force Forcecontrols Adjustments

CARE	OF YOUR	GARAGE
DOOR	OPENER
LIMIT AND	FORCE	FORCECONTROLS

ADJUSTMENTS:

Weather conditions may cause some minor changes in door operation requiring some re-adjustments,

particularly during the first LIMITCONTROLS year of operation,

Pages 27 and 28 refer to the @[ @3_@_ limit and force adjustments

Only a screwdriver is

required Follow the instructions carefully, Repeat the safety reverse test (Adjustment

Step 3, page 29) after any adjustment of limits or force.

MAINTENANCE SCHEDULE

Once a Month

•Manually operate door, If it is unbalanced or binding, call a trained door systems technician,,

•Check to be sure door opens & closes fully, Adjust limits and/or force if necessary, (See pages 27 and 28,)

•Repeat the safety reverse test Make any necessary adjustments. (See Adjustment Step 3 )

Twice a Year

-Check chain tension=, Disconnect trolley first. Adjust if necessary (See page tl),

Once a Year

•Oil door rollers, bearings and hinges, The opener does not require additional lubrication,1 Do not grease the door tracks

THE REMOTE CONTROL BATTERY

To preventpossibleSERIOUSINJURYor DEATH:

• NEVERallow smallchildren nearbatteries,

-If battery is swallowed,immediatelynotify doctor

The lithium battery should produce power for up to

5 years, To replace battery, use the visor clip or screwdriver blade to pry open the case as shown Insert

battery positive side up (+),,

Dispose of old battery properly,

NOTICE: To cornp]y wiih FCC and or Induslry Cartad_ rules (It}, a,dj_;Iment or modifi_[f_ns of this receivor and/or tr;nomit[ei" _ro t}rDhib_ed, except for cha_gi_g the

code soilint] or _opladng tho b_tler/THERE ARE NO OTHER USER S_RVICEABLE PARTS

Tasted to Compiy with FCC S'._ndards FOR ROME OR OFFICE USE. Oper_Jon is eubje c'to lho IotlovAng lw_ cor_dilions: {1} this dev_co may not caus_ t_fmleI ielorf_ronce, a_ld _2) _his doviee m_J_ _coopt ar_y tntedor_oce received, tncludin_ int_Rer_nce that may

c_es_ e_dos red ope_t r,n

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