Tools And Instruments; Test Propeller; Instruments - TOHATSU MFS 4 Service Manual

3. Tools and Instruments

1) Test Propeller

P/N. 3B2-64110-1
Outer diameter : 164mm
Width : 12mm
Model
F 4B/5B
F 6B
This test propeller has been designed for break-in
operation and load test operation.
The engine speed at WOT varies depending on
the conditions such as the level or water or air
temperature, and thus, the measurement is not
for confirmation or power of the engine.

2) Instruments

For the following measuring instruments, use commercially available ones.
Circuit tester
Vernier calipers
Micrometer
Cylinder gauge
Ring gauge
Dial gauge
Thickness gauge
V block
Surface plate
Dial gauge magnet base or dial gauge stand
4st 4/5/6 2011
(Reference value)
Speed at WOT
(Wide Open Throttle) (r/min)
4,500 - 5,500
5,000 - 6,000
( Resistance : 1Ω, 10Ω, 10 kΩ, AC voltage : 30 to 300V, DC voltage : 30V )
( M1 type, 300 mm )
( minimum graduation of 0.01, outer, 0 to 25 mm, 25 to 50 mm, 50 to 75 mm )
( 4 to 6 mm, 10 to 25 mm, 25 to 50 mm, 50 to 75 mm )
( ø5.5, ø14, ø20, ø47, ø55 )
( minimum graduation of 0.01 )
( 0.03 to 0.3 mm )
( 500 mm x 500 mm )
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