 | |
| Illustration 1 | g01388086 |
(1) Prior to assembly, lightly lubricate the O-ring seal with zinc stearite.
(A) Select the length of the fuel valve sleeve in order to obtain the following lift setting. ... 0.38 ± 0.05 mm (0.015 ± 0.002 inch)
(2) Torque for valve adapter ... 72 ± 7 N·m (55 ± 5 lb ft)
(3) Select correct spacer thickness in order to provide a valve opening pressure of 15170 ± 1030 kPa (2200 ± 150 psi).
Note: A spring with the nominal load of 127.2 N (29 lb) is required to obtain 15170 ± 1030 kPa (2200 ± 150 psi) valve opening pressure.
(4) Torque for screw ... 2.7 ± 0.8 N·m (24 ± 7 lb in)
Note: There must be no leakage around the screw when the nozzle is submerged in calibrating fluid and pressurized to 13800 ± 1000 kPa (2000 ± 145 psi) for a period of ten seconds.
Note: Always use a new washer seal when the screw is loosened or removed.
ReferenceRefer to Special Instruction, SEHS9083, "Test Sequence For Caterpillar 7000 Series Fuel Nozzles".