6. Fuel injection equipment
138R1
• Fuel adjustment for 3YM20
1) Loosen the nut of the FO limiter, and screw the
adjusting bolt to the bottom. Tighten the nut.
2) Adjust the rack position to R0 (15mm) with the FO
limiter, and measure the injection volume (A) at
the rated speed.
3) When the measured injection volume (A) is out of
the standard, readjust the injection volume by
screwing the FO limiter.
4) Pull the control lever to high idle side at full rack
position.
5) Adjust the position of the high idle set bolt at high
idle speed as to get the specified injection volume
(B).
6) Loosen the nut of the FO limiter, and loosen the
adjusting bolt at 180
°
. Fix the nut.
7) Screw the angleichi at the torque-rise speed to get
the specified injection volume (C).
8) Confirm the injection volume (D) at the specified
speed at starting.
9) Push the control lever to low idle side.
10) Adjust the position of the low idle set bolt at low
idle speed as to get the specified injection volume
(E).
Pump seed N (min
-1
)
Rs
19
0.5
R
0
15
Rack position (mm)
(D)
(C)
(E)
(A)
(B)
(Adjustment procedure for 5) and 10))
High idle set bolt
Low idle set bolt
(Adjustment procedure for 7))
1. Loosen nut
3. Tighten nut
2. Screw angleich.
Adjust injection volume to (C) by screwing.
001561-00E
Summary of Contents for 3YM30
Page 1: ...M9961 03E101 3YM30 3YM20 2YM15...
Page 22: ...1 General 1 4 Engine outline 1 3YM30 with KM2P 1 marine gear 6R1...
Page 23: ...1 General 2 3YM30C with SD20 sail drive 7R1...
Page 24: ...1 General 3 3YM20 with KM2P 1 marine gear 8...
Page 26: ...1 General 5 2YM15 with KM2P 1 marine gear 9 2R1...
Page 27: ...1 General 6 2YM15C with SD20 sail drive 185 9 3R1...
Page 30: ...1 General 3 2YM15 with KM2P 1 marine gear 11 2R1...
Page 31: ...1 General 11 3R1 4 2YM15C with sale drive SD20...