Case W8C, W9C, W10C Loaders Service Manual

Case W8C, W9C, W10C Loaders Service Manual

$31.00

Case W8C, W9C, W10C Loader Service Manual – 584 Pages

Publication Number: 9-99825
English
July 1974
Format: PDF

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Description

Case W8C, W9C, W10C Loader Manual

Loader Model: W8C, W9C, W10C
Publication Number: 9-99825
English
July 1974
Format: PDF

Case W8C, W9C, W10C Loader Service Manual – 584 Pages

Manual Table of Content:

  1. General
  2. Engines
  3. Fuel System
  4. Hydraulics
  5. Steering
  6. Power Train
  7. Brakes
  8. Electrical

Manual Extract: Testing for Leakage and Correct Opening Pressure

1. Open the valve approximately one full turn. It i s not necessary to fully open the gauge valve.
2. Operate the hand lever slowly and raise the pressure until the nozzle valve opens and fuel is sprayed. Observe the opening pressure as indicated on the pressure gauge.

3. If the opening pressure is the correct pressure, it is not necessary to reset the pressure.

4. Raise the pressure again until the nozzle valve opens. The instant the valve opens and fuel is sprayed, the pressure will drop sharply. This is the initial drop and is caused by the nozzle valve opening and closing.
The initial drop must not be more than 300 pounds as indicated on the pressure gauge. If it is more, the nozzle valve is sticking and is slow in closing. Remove and clean the nozzle assembly.
NOTE The pressure will continue to lower slowly after the initial drop. Be careful not to confuse this with the sharp initial drop.

5. Allow the pressure to drop and then slowly operate the hand lever again.
Hold the pressure at 1850 to 1900 pounds and observe the end of the nozzle.
The nozzle must remain dry at a pressure approximately 100 pounds lower than the recommended opening pressure.

If a drop of fuel is observed forming at the nozzle valve projection, the valve is leaking.
6. While you are checking the opening pressure and the valve for leakage, observe the amount of fuel that comes out of the leak-off connection on the holder body.

A very small amount of fuel is required to lubricate the lapped surfaces of the nozzle valve and body. If excessive overflow from the leak-off connection i s noted, the injector will require servicing.

NOTE To determine what would be considered an excess flow from the leak-off connection, check a new injector assembly on the test stand.

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