TOHATSU MFS 60A Service Manual page 19

Functional Limit
Any opening under ambient temperature
75°C (167°F) because thermostat operation is delayed.
Measure valve open lift after 5 minutes.
3.0 mm (0.12 in)
Wear, crack or damage on tips and upper and lower surface lips
0.4 mm (0.015 in)
0.05 mm (0.0020 in)
0.60 to 0.64 mm (0.0236 to 0.0252 in)
2.85 mm (0.112 in)
Severe Damage
7.5 mm (0.295 in)
0.4 mm (0.015 in)
0.5 mm (0.020 in)
5.0 mm (0.236 in)
20.4 mm (0.803 in)
1.0 mm (0.039 in)
Lip deteriorated, degraded or damaged, or tightening margin
reduced to 0.5 mm (0.020 in) due to wear
4st 60 2019
Action To Be taken
Replace if out of specified range.
Replace if less than specified limit.
Replace pump case liner and guide plate as a set.
Replace if severely worn
Replace if severely worn
Replace if severely worn
Replace if necessary.
Replace if more than specified limit.
Replace if more than specified limit.
Adjust, or replace.
Adjust, or replace.
Replace if less than specified limit.
Replace if out of specified range
Replace if less than specified limit.
Replace if necessary.
Replace if necessary.
Replace if more than specified limit.
Replace if less than specified limit.
Replace if less than specified limit.
Replace if less than specified limit.
Replace if out of specified range.
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