1999 "EE" Outboards Accessories Service Manual, P/N 787026, Page 103Get this manual
Pressure Leakdown Test Before servicing hydraulic unit, it should be pressure tested to determine the unit's malfunctionThis test must be performed with the hydraulic unit removed from the engine and mounted in vise or holding fixture
OMC Power TrimlTilt Service Kit, PI 434524, allows external verification of trimltilt operation and component condition The "A" adapterPI 336658, checks operation of the UP circuit The "B" adapterPI 336659, checks operation of the DOWN ci rcu it
This kit does not include gauge and collar assemblyGauge and collar assembly shipped with OMC Power TrimlTilt Service Kit, PI 390010, will workA Gauge and Collar Assembly, PI 983975, is availableBe sure to use fully charged battery
1Screw the manual release valve in the hydraulic unit until it is seatedPlace large drain pan under the unit to catch hydraulic fluid
rn down to reducethe unit to the full up position, then jog one &2Operate the unit pressureLoosen the reservoir cap3Remove the manual release valve retaining ring using retaining ring pliers