Information injection-pump assembly
ZEXEL
106681-4151
1066814151
NIIGATA-URAWA
74W47080B
74w47080b
Rating:
Service parts 106681-4151 INJECTION-PUMP ASSEMBLY:
1.
_
7.
COUPLING PLATE
8.
_
9.
_
11.
Nozzle and Holder
74W 3227 2A
12.
Open Pre:MPa(Kqf/cm2)
31.4{320}
15.
NOZZLE SET
Include in #1:
106681-4151
as INJECTION-PUMP ASSEMBLY
Cross reference number
Zexel num
Bosch num
Firm num
Name
Information:
Before any service work is done on the fuel system, the outer surface of the fuel injection pump housing must be clean.
1. Cut governor safety wire (1).2. Disconnect line (3) from the fuel ratio control.3. Remove the two bolts and fuel ratio control (2).Install Fuel Ratio Control
1. Put fuel ratio control in position. Make an alignment of opening (slot) (2) with the plunger in the fuel ratio control.2. Use 9S3263 Thread Lock and install the two bolts that hold fuel ratio control (1) to the governor plate. 3. Connect line (3) to the fuel ratio control.4. Install a new lockwire and seal. See FUEL RACK SETTING in TESTING AND ADJUSTING.
The lockwire and seal must be installed in order to validate the warranty.
Disassemble Fuel Ratio Control
start by:a) remove fuel ratio control 1. Remove two bolts (1) and cover (2). 2. Remove valve assembly (3).3. Remove seal (4) and the O-ring seal from the valve assembly.4. Remove retainer (5) and two springs (6). 5. Remove the three bolts from the cover. Remove cover (12) and gasket (11).6. Remove valve (13), diaphragm, (8), retainer (9) and spring (10).7. Remove pin (14) from valve (13).8. Remove cover (7) from the valve.Assemble Fuel Ratio Control
1. Put clean SAE 30 oil on the seal. Install seal (1) in cover (2) with the lip of the seal toward the inside of the cover. 2. Install valve (3) in cover (2).3. Install the pin that holds the cover on the valve. 4. Install the spring and the retainer in cover (6).5. Install diaphragm (5) on the valve assembly (4) and in the cover.6. Install cover (8). Install three bolts (7) that hold the cover in position. 7. Put clean SAE 30 oil on the seal and the ring seal. Install seals (11) on valve.8. Install two springs (12), retainer (13) and valve assembly (10).9. Install housing (9) and the bolts.
Correct adjustment must be made to fuel ratio control before installation. See ADJUSTMENT OF AIR FUEL RATIO CONTROL in TESTING AND ADJUSTING.
end by:a) install fuel ratio control