Table Of Contents - Challenge EH-3C Service Manual

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Table of Contents

INTRODUCTION........................................................................................... ii

SAFETY PRECAUTIONS .............................................................................. v

CAUTION: POWER LOCK-OUT PROCEDURE ............................................. v

WARNING LABEL DEFINITIONS .................................................................. vi

1.0 MAINTENANCE .................................................................................. 1-1

1.1 TROUBLESHOOTING ................................................................... 1-2

1.2 ROUTINE MAINTENANCE ............................................................ 1-3

1.3 ADJUSTMENTS ............................................................................ 1-3

1.4 DRILL HEAD REPLACEMENT ...................................................... 1-5

1.5 HYDRAULIC ................................................................................. 1-6

2.0 PARTS LISTS ..................................................................................... 2-1

MAIN ASSEMBLY - FRONT VIEW ...................................................... 2-2

MAIN ASSEMBLY - UPPER RIGHT VIEW ........................................... 2-4

MAIN ASSEMBLY - LOWER RIGHT VIEW .......................................... 2-6

MAIN ASSEMBLY - TOP VIEW .......................................................... 2-7

MAIN ASSEMBLY - WIRING ............................................................... 2-8

ELECTRICAL POWER PANEL ASSEMBLY ...................................... 2-10

HYDRAULIC/BASE ASSEMBLY ....................................................... 2-12

HYDRAULIC POWER UNIT ASSEMBLY ........................................... 2-14

HYDRAULIC POWER UNIT .............................................................. 2-15

TABLE ASSEMBLY .......................................................................... 2-16

BACKGAUGE ASSEMBLY ............................................................... 2-18

OPTIONAL AUTO-TRIP BACKGAUGE ASSEMBLY ........................... 2-20

SPINDLE HEAD ASSEMBLY, RIGHT HAND ...................................... 2-22

SPINDLE HEAD ASSEMBLY, LEFT HAND ........................................ 2-23

OPTIONAL DRILL SHIELD KIT .......................................................... 2-24

F.352-KT/EH-3C DRILL/AUG 03

1.2.1 Daily ................................................................................... 1-3

1.2.2 Weekly ................................................................................ 1-3

1.2.3 Monthly ............................................................................... 1-3

1.2.4 Yearly .................................................................................. 1-3

1.3.1 Table Position Adjustment .................................................... 1-3

1.3.2 Belt Tightness Adjustment ................................................... 1-4

1.4.1 Side Head Bearing Replacement .......................................... 1-5

1.4.2 Center Head Bearing Replacement ....................................... 1-6

1.5.1 Recommended Oils ............................................................. 1-6

iii

Table of Contents

TABLE OF CONTENTS