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MAINTENANCE
OPTIMIZER
TM
CHAPTER 1.0
Table of contents
1.4 HYDRAULIC SYSTEM MAINTENANCE .............................................................. 26
1.4.1 HYDRAULIC SYSTEM GENERAL INSPECTION ................................................ 26
1.4.2 MAIN RELIEF VALVE PRESSURE ADJUSTMENT ............................................. 26
1.4.3 HYDRAULIC DIRECTIONAL CONTROL VALVE ................................................. 27
1.4.4 PRESSURE ADJUSTMENT PROCEDURE ......................................................... 28
1.4.5 PUMP MAINTENANCE ....................................................................................... 28
1.4.6 HYDRAULIC CYLINDERS INSPECTION PROCEDURES .................................. 29
1.4.7 HYDRAULIC RESERVOIR INSPECTION PROCEDURE .................................... 29
1.4.8 HYDRAULIC FLUID REPLACEMENT PROCEDURE .......................................... 30
1.4.9 HYDRAULIC FILTER REPLACEMENT PROCEDURE ........................................ 32
1.4.10 HYDRAULIC STRAINER CLEANING PROCEDURE ........................................... 32
1.4.11 TAILGATE HYDRAULIC SYSTEM MAINTENANCE ............................................ 33
1.4.12 CYCLE TIME TABLE FOR ALL HYDRAULIC FUNCTIONS ................................. 33
1.4.12 BODY HOISTING SYSTEM MAINTENANCE ...................................................... 33
1.4.13 ARMS UP DECELERATION VALVE .................................................................. 36
1.4.14 ARMS DOWN DECELERATION VALVE ............................................................ 38
1.5 AIR SYSTEM MAINTENANCE ............................................................................. 39
1.5.1 AIR SYSTEM MAINTENANCE PROCEDURE ..................................................... 39
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