
When the coil (1) of the solenoid is not energized, nucleus
(2) is in rest position due to the pre-loading spring (3). Spear
valve (4) is in the position of maximum delivery.
The valve feed the high pressure pump with the maximum
fuel delivery possible.
The cylinder for exhaust duct opening (8) of the low pres-
sure limiter valve is in close position. The clearance among
the internal parts enables the blow-by of the fuel used to
lubricate the pump towards the exhaust (7).
N60 ENT M37
OVERVIEW
1.35
APRIL 2004
Figure 42
04_017_N
Pressure control with engine at maximum rating
1. Coil - 2. Nucleus - 3. Preloading spring - 4. Spear valve - 5. High pressure pump feed - 6. Fuel inlet (from filter) -
7. Fuel backflow form the high pressure pump - 8. Cylinder for exhaust duct opening - 9. Fuel discharge -
10. Fuel delivery to rail.
2
4
3
1
5
6
9
7
8
10
Summary of Contents for N60 ENT M37
Page 4: ...N60 ENT M37 IV APRIL 2004 ...
Page 52: ...N60 ENT M37 OVERVIEW 1 52 APRIL 2004 ...
Page 54: ...N60 ENT M37 TECHNICAL DATA 2 54 APRIL 2004 ...
Page 60: ...N60 ENT M37 TECHNICAL DATA 2 60 APRIL 2004 ...
Page 62: ...N60 ENT M37 ELECTRICAL EQUIPMENT 3 62 APRIL 2004 ...
Page 92: ...N60 ENT M37 DIAGNOSTICS 4 92 APRIL 2004 ...
Page 116: ...N60 ENT M37 DIAGNOSTICS 4 116 APRIL 2004 ...
Page 118: ...N60 ENT M37 MAINTENANCE 5 118 APRIL 2004 ...
Page 122: ...N60 ENT M37 MAINTENANCE 5 122 APRIL 2004 ...
Page 124: ...N60 ENT M37 SERVICING OPERATIONS ON INSTALLED ENGINE 6 124 APRIL 2004 ...
Page 139: ...SECTION 7 TOOLS Page TOOLS 141 N60 ENT M37 TOOLS 7 139 APRIL 2004 ...
Page 140: ...N60 ENT M37 TOOLS 7 140 APRIL 2004 ...
Page 146: ...N60 ENT M37 TOOLS 7 146 APRIL 2004 ...
Page 156: ...APRIL 2004 OVERHAUL 8 156 N60 ENT M37 ...
Page 164: ...APRIL 2004 OVERHAUL 8 164 N60 ENT M37 ...
Page 181: ...OVERHAUL APRIL 2004 N60 ENT M37 8 181 ...
Page 188: ...N60 ENT M37 OVERHAUL 8 188 APRIL 2004 ...
Page 190: ...N60 ENT M37 SAFETY PRESCRIPTIONS 9 190 APRIL 2004 ...
Page 193: ......