5
TABLE OF CONTENTS
DELIVERY INSPECTION REPORT .......................... 3
SERIAL NUMBER LOCATION .................................. 4
DECAL INFORMATION ............................................. 4
1 INTRODUCTION ........................................... 6
1. SAFETY ................................................................... 7
2.1 SAFETY RULES ....................................... 8
2.2 EQUIPMENT SAFETY GUIDELINES ..... 9
2.3 SAFETY TRAINING ............................... 10
2.4 HYDRAULIC SAFETY ........................... 10
2.5 STORAGE SAFETY ............................... 10
2.6 PREPARATION ...................................... 11
2.7
OPERATING SAFETY ...................................12
2.8 TRANSPORT SAFETY .......................... 13
2.9 MAINTENANCE SAFETY ...................... 13
2.10 BACKHOE SAFETY ............................... 14
2.10.1 WORK ZONE: ........................................ 14
2.10.2 SAFE ZONE: ......................................... 14
2.10.3 SAFE USE: ............................................ 15
2.11 SIGN-OFF FORM ................................... 16
3 SAFETY SIGNS ........................................... 17
3.1 REPLACING DAMAGED SAFETY
SIGNS ................................................................... 17
3.2 SAFETY SIGN EXPLANATIONS: ......... 17
3.3 SAFETY SIGN LOCATION .................... 18
4 OPERATION ................................................ 19
4.1 TO THE NEW OPERATOR OR OWNER
............................................................................... 19
4.2 MACHINE COMPONENTS ................... 20
4.3 MACHINE BREAK-IN............................. 21
4.4 TRAINING: .............................................. 21
4.5 PRE-OPERATION CHECKLIST ............ 21
4.6 EQUIPMENT MATCHING ..................... 22
4.7 PREPARATION AND ASSEMBLY ......... 23
4.7.1 FOUR POINT OR BELLY MOUNT SUB-
FRAME KIT........................................................... 23
4.7.2 TIEBACK KIT ......................................... 23
4.7.3 BACKHOE MOUNTING ......................... 24
4.8 CONTROLS ............................................ 25
4.8.1 MAIN BOOM CONTROL: ...................... 25
4.8.4 STABILIZER CONTROLS: .................... 25
4.8.2 DIPPER BOOM AND BUCKET CON-
TROL: .................................................................... 25
4.8.3 BOOM SWING VALVE: .......................... 25
4.8.5 GX920XT EXTENDIBLE DIPPER CON-
TROL: .................................................................... 26
4.9 MACHINE SETUP .................................. 27
5 FIELD OPERATION .................................... 28
5.1 PREPARE ............................................... 28
5.1.2 STOPPING THE MACHINE .................. 29
5.1.3 STOPPING IN AN EMERGENCY ......... 29
5.1.4 JOB SITE ................................................ 29
5.2 BEGIN WORK PROCEDURE .............. 31
5.2.1 DIGGING SITE ...................................... 31
5.2.2 DIGGING ACTION ................................ 31
5.2.3 TRENCHING .......................................... 32
5.2.4 DIGGING ON SLOPES ......................... 33
5.2.5 BACKFILLING ........................................ 34
5.2.6 HARD GROUND ................................... 34
6 TRANSPORTING ........................................ 35
7 STORAGE .................................................... 36
7.1 PLACING IN STORAGE ........................ 36
7.2 REMOVING FROM STORAGE ............. 36
8 SERVICE AND MAINTENANCE ................ 37
8.1 SERVICE ................................................ 37
8.1.1 FLUIDS AND LUBRICANTS ................. 37
8.1.2 GREASING ............................................. 37
8.1.3 SERVICING INTERVALS ...................... 37
8.1.4 SERVICE ILLUSTRATION .................... 38
8.2.2 GX920XT DIPPER BOOM EXTENDER:
............................................................................... 39
8.2 MAINTENANCE ..................................... 39
8.2.1 GX920XT DIPPER EXTENDER CON-
TROL: .................................................................... 39
8.2.3 BUCKET TEETH: ................................... 40
8.2.4 BUCKET REMOVAL: ............................. 40
8.2.5 SERVICE RECORD ............................... 41
9 TROUBLE SHOOTING ............................... 42
10 SPECIFICATIONS ....................................... 44
10.1 MECHANICAL ........................................ 44
10.2 BOLT TORQUE ...................................... 45
10.3 HYDRAULIC FITTING TORQUE .......... 46
11 ACCESSORIES ........................................... 47
12 INDEX ........................................................... 49