1 . Close unloading valve (1) by turning it to right until it is finger tight.
2 . Slowly open loading valve (2) until POWER gage (3) shows 10 to 15 HP.
Close loading valve (2).
3 . Set throttle (4) so SPEED gage (5) reads 500 to 600 RPM.
4. If POWER gage (3) reads high, open unloading valve (1). Close unloading
v a l v e when done. Reset throttle to 2600-2800 RPM.
5 . Check ENGINE OIL PRESSURE gage (6). Reading should be 40 PSI. If
r e a d i n g is not within given limits, engine must be repaired.
Check all lines and connections for leakage.
GO TO FRAME 2