TM 5-3805-281-24-2
Fuel System
FUEL SYSTEM SPECIFICATIONS
ITEM
SPECIFICATION
Injection Pump Types ......................................................................................
Bosch P3000 In-line with Std. or Electronic Governor
Bosch P7100 In-line with Std. or Electronic Governor
Nippondenso A2500 with Std. Governor (6081T option)
Engine Operating Speeds ................................................................................
OEM engines (see Group 01)
Vehicle engines (See machine TM)
Injection Pump Timing-to-Engine .....................................................................
No. 1 engine cylinder at TDC, compression stroke, pump hub
marks and pointer aligned
Overflow Valve Opening Pressure ..................................................................
130--180 kPa (1.3--1.8 bar) (19--26 psi)
Fuel Supply Pump Minimum Output Pressure ................................................
200 kPa (2.0 bar) (29 psi)
Fuel Injection Nozzle Type ..............................................................................
21 mm with 7 mm tip (Bosch or Nippondenso)
7 Hole x 0.208--0.255a mm ID x 148 Spray Angle
Nozzle Tip Hole Sizes .....................................................................................
New Nozzle Opening Pressure .......................................................................
29 000 kPa (290 bar) (4200 psi)
Used Nozzle Minimum Opening Pressure ......................................................
26 200 kPa (262 bar) (3800 psi)
Injection Pump-to-Cylinder Block Stud Nuts ...................................................
47 Nm (35 lb-ft)
Injection Pump Drive Gear-to-Pump Hub Cap Screws ...................................
61 Nm (45 lb-ft)
Fuel Delivery Line Connectors @ Delivery Valves and Nozzles ....................
27 Nm (20 lb-ft)
Nozzle Gland Nut-to-Cylinder Head ................................................................
88 Nm (65 lb-ft)
Nozzle Retaining Nut .......................................................................................
60--80 Nm (44--59 lb-ft)
Supply Pump Mounting Stud Nuts ..................................................................
5--7 Nm (4--5 lb-ft) (45--60 lb-in.)
Leak-off Line-to-Connectors ............................................................................
17 Nm (12 lb-ft) (150 lb-in.) maximum
Leak-off Connector-to-Nozzle ..........................................................................
8 Nm (6 lb-ft)
Fuel Filter Base-to-Cylinder Block ...................................................................
34--54 Nm (25--40 lb-ft)
Fuel Pipe Connections at Filter Base ..............................................................
17 Nm (12 lb-ft) (150 lb-in.) Maximum
Injection Pump Drive Gear Cover Cap Screws ...............................................
27 Nm (20 lb-ft)
Injection Pump Housing Oil Fill Plug ...............................................................
25 Nm (18 lb-ft)
Injection Pump Governor Housing Oil Fill Plug ...............................................
40 Nm (30 lb-ft)
a
Nozzle tips available in various I.D. hole sizes: 0.208, 0.220, 0.236, 0.240, 0.244, and 0.255 mm.
RG,RG34710,1280
1923OCT971/1
