User manual LIFT-MASTER 65 3012 1

[. . . ] Self-Regulating Heater Modification Used on Model "GH" Operators 65-30121 OR 65-30122 APPLICATION: A self-regulating immersion heater, inserted into the drain opening of the gear reducer, which keeps gear oil warm to prevent sluggish operation or overloading in cold weather. PACKING LIST: PART NUMBER 11-12191 21-3260 27-12192 Heater Plug Transformer, 230V 50 VA Immersion Heater DESCRIPTION QUANTITY 1 1 1 GEAR REDUCER TRANSFORMER (230-460 Volt Kit Only) HEATER PLUG IMMERSION HEATER SELF-REGULATING HEATER INSTALLATION 1) If the operator is already installed it will be necessary to take it down or the oil will run out and it will be difficult to refill. [. . . ] 3) Insert the heater plug into the oil drain hole but do not tighten it at this time. WARNING WARNING DISCONNECT POWER AT THE FUSE BOX BEFORE PROCEEDING. 5) a) On 120 Volt Operators connect the two heater wires to terminals L1 and L2. b) If the operator is not 120 Volts connect the two heater wires to the black and white (primary) wires on the 50VA transformer included with the kit. (Wire nut all other transformer wires) CAUTION WARNING 4) Insert the immersion heater into the heater plug as far as it will go. The plug will close around the heater and hold it in place. 6) Be sure to route the heater wires away from moving parts and the chain hoist mechanism. [. . . ] Remember these wires carry 120 Volts. 01-13390A © 1998, The Chamberlain Group, Inc. [. . . ]