Case 750L, 850L Crawler Dozer Service Manual

$34.00

Case 750L, 850L Dozer Service Manual – 1516 Pages

Publication Number: 87728445
English
March 2008
Format: PDF

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Description

Case 750L, 850L Crawler Dozer Manual

Dozer Model: 750L, 850L
Publication Number: 87728445
English
March 2008
Format: PDF

Case 750L, 850L Dozer Service Manual – 1516 Pages

Manual Table of Content:

  1. Introduction
  2. Distribution Systems
  3. Power Production
  4. Power Train
  5. Travelling
  6. Body and Structure
  7. Tool Positioning
  8. Working Arm
  9. Tools and Couples
  10. Hydraulic Schematics
  11. Electrical Schematics

Manual Extract: Relief valve Pressure setting

1. Remove the hex cap (3) and the spring (5) from the top of the circuit relief valve.
2. Remove the plunger (2) and inspect for damaged or worn parts or seals. Repair as necessary.
3. Add shims (4) to the plunger to increase the pressure setting. Remove shims (4) from the plunger to decrease the pressure setting. Each shim is 0.254 mm (0.010 in) thick and will change the pressure setting by 3.4 10.3
bar (50 150
psi).
4. Install the spring (5) and the hex cap (3) on the circuit relief valve.
5. Install the circuit relief valve into the equipment control valve and refer to Relief valve Pressure test
(A.12.A) to check the pressure setting.
6. Adjust the circuit relief valve again if necessary.
7. When the pressure setting is correct, remove the hand pump and connect the hydraulic line.

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