LGJ Light-Duty Gear Reduced Operator Parts

LiftMaster LGJ light-duty gear reduced jackshaft operator parts diagram

LiftMaster LGJ Replacement Parts — Light-Duty Gear Reduced Jackshaft Operator

Genuine replacement parts for the LiftMaster LGJ light-duty gear-reduced jackshaft commercial door operator.

Electrical box parts are on a separate page. The transformer, terminal blocks, logic board standoff and limit switch for this operator are listed on the LGJ electrical box page. This page covers the mechanical assembly.

Operator Assembly

Ref Part # Description
1 10-11397 Support Bracket
2 10-11398-1 Mounting Bracket, left hand
3 10-11398-2 Mounting Bracket, right hand
4 32-11435 Gear Reducer, 40:1

The mounting brackets are handed — check whether yours is a left or right hand mount before ordering ref 2 or 3.

Electrical Box Parts

Listed separately on the LGJ electrical box page: electrical box, terminal blocks, logic board standoff and limit switch.

Safety Sensors & Options

Part # Description
CPICARD CPI interface box
CPS-U Commercial photo eye
CPSUN4G Monitored through-beam photo eyes
CPS Safety eye sensors — mechanical operators
CPS-UN4 Safety eye sensors — commercial doors
K77-16011 Mounting hardware, CPS N4
65-5302 Pneumatic sensing edge, 22 ft, with take-up reel
LC-36A Safety eye sensors (no longer available)

Related Light-Duty Operators

LGO light-duty gear reduced operator parts  ·  LGJ electrical box parts