Johnson Evinrude Outboard Motors 1956-1970 1.5-40hp repair manual., Page 266Get this manual
LOWER UNIT 8-4 DRAINING LOWER UNIT
Position suitable container under the lower unit, and then remove the FILL screw and the VENT screwCRITICAL WORD The Phillips screw securing the shift fork in place is located very dose to the vent screwIf the wrong screw is removed, BAD NEWS, VERY BAD NEWSThe lower unit will have to be disassembled in order to return the shift fork to its proper locationAllow the gear lubricant to drain into the containerAs the lubricant drains, catch some with your fingers, from time-totime, and rub it between your thumb and finger to determine if any metal particles are presentIf metal is detected in the lubricant, the unit must be completely disassembled, inspected, and the damaged parts replacedCheck the color of the lubricant as it drainsA whitish or creamy color indicates the presence of water in the lubricantCheck the drain pan for signs of water separation from the lubricantThe presence of any water in the gear lubricant is BAD NEWSThe unit must be completely disassembled, inspected, the cause of the problem determined, and then correctedFilling instructions are outlined at the end of each lower unit section8-5 LOWER UNIT SERVICE 1.5 HP TO 4.0 HP ENGINESNO SHIFT Description This is very simple direct drive unit without any shift capabilitiesReverse is obtained by rotating the engine 180 and holding that position while the boat is moved sternwardPropeller Removal Remove the propeller according procedures outlined in Section 8-3Draining the Lower Unit Drain the lower unit according procedures outlined in Section 8-4to the