Removing Ptt Motor; Removing Ptt Pump And Valves; Inspection Of Ptt Pump And Valves - TOHATSU MFS25 Service Manual

17) Removing PTT Motor

Remove reservoir tank 2, PTT motor 3, O-ring 4 and 5,
1.
coupling 6 from PTT unit 1.
• When removing PTT motor (reservoir
tank), fully extend tilt rod to prevent fluid
from blasting out due to internal pressure.
• Do not push down tilt rod with PTT motor
removed from PTT unit, or fluid will blast
out from PTT unit.
2. Energize removed PTT motor to check that it operates. If
not, replace PTT motor ass'y.

18) Removing PTT Pump and Valves

Remove manual valve 1 and then PTT pump ass'y 2.
1.
Remove valves 3 from PTT unit 4.
2.
Be careful not to lose removed parts which are
small.

19) Inspection of PTT Pump and Valves

1. Clean piston and ball, and check them for damages and
wear. Replace PTT pump if necessary.
2. Check drive gear and driven gear for damages and wear.
Replace PTT pump if necessary.
3. Check valve for damage and clogging. Replace if necessary.
25/30 2006
CAUTION
2
4
6
1
2
4
5
3
7
3
1
7-25