Chrysler 20 and 30 HP Outboard Motors Service Manual OB 3435, Page 194Get this manual
NO WATER
WATER PRESENT
Turn fill plug back in two (2) turns
Tighten fill plug securely
Remove vent plug and washer
Remove vent plug
Remove fill plug and washer
Thread adapter of pressure tester into vent holeTighten securely Special Tool NoT 8950
Quickly insert nozzle of gear lube into fill hole and add gear lube until it appears at vent hole
CAUTION
Do not pressurize gear housing beyond 10 p.s.i
Re- install vent plug and nylite washerPump pressure up until gauge reads 10 .s.iRemove nozzle of gear lube tube and install fill plug and nylite washer
PRESSURE HOLDS PRESSURE DROPS