TOHATSU MD 30B2 Service Manual page 152

Power Unit
16) Inspection of Thermostat
1. Put thermostat in the vessel containing water, heat it, and
measure the temperature at which the thermostat starts to
open.
Replace thermostat if the valve is open even a
little at ambient temperature.
Valve Opening Temperature :
52˚C (125.6˚F)
Valve Full Open Temperature :
65˚C (149˚F)
2. Measure valve lift of thermostat when prescribed
temperature has been reached. Replace if the length is
less than specified value.
Water Temperature
65˚C (149˚F)
17) Removing Fuel System
Refer to "Removing and Installation of Fuel System" in
Chapter 4.
18) Removing Cylinder Head / Head
Cover
1. Remove air rail and air injectors.
Refer to "Removing Air Rail" in chapter 4.
2. Loosen cylinder head / head cover mounting bolts in the
order shown, remove them, and remove cylinder head /
head cover.
Handle cylinder head / head cover taking care not
to scratch their mating surfaces.
5-30
Valve Lift a
3 mm (0.12 in) or over
3
a
TLD D30/40/50B2 2013