OPERATOR’S MANUAL
5
Table of contents
1. INTRODUCTION ................................................................... 6
2. SAFETY SECTION................................................................ 7
3. TECHNICAL DESCRIPTION JUNTTAN HAMMER.............. 9
4. SPECIFICATIONS SECTION.............................................. 10
5. CONTROLS......................................................................... 13
6. OPERATING THE HAMMER .............................................. 13
6.1 LIMITATION OF USE OF THE PILING HAMMERS ............................ 15
6.2 PRESSURE OF THE HAMMER.......................................................... 15
6.3 HAMMER OPERATION....................................................................... 16
6.3.1 MANUAL HAMMER OPERATION....................................................... 17
6.3.2 CONTINUOUS HAMMER OPERATION.............................................. 18
6.4 LIFTING OF THE HAMMER................................................................ 19
6.5 FUNCTION OF THE HAMMER........................................................... 20
6.5.1 FUNCTION OF THE RETURN FLOW ACCUMULATOR .................... 20
6.5.2 FUNCTION OF THE PRESSURE FLOW ACCUMULATOR................ 20
6.5.3 PERMISSIBLE OPERATING TEMPERATURE OF THE
ACCUMULATOR................................................................................. 21
7. FIELD MAINTENANCE AND REPAIRS ............................. 22
7.1 REPLACING THE DRIVE CAP CUSHION .......................................... 22
7.2 DISMOUNTING OF THE DRIVE CAP................................................. 23
7.3 DISMOUNTING OF THE RAM BLOCK............................................... 23
7.4 DISCONNECTING THE CYLINDER FROM THE FRAME .................. 24
7.5 CHANGING OF THE CYLINDER SEALS............................................ 25
7.6 DISMANTLING THE CYLINDER......................................................... 27
7.7 INSPECTING THE CYLINDER............................................................ 28
7.8 ASSEMBLING THE CYLINDER .......................................................... 29
7.9 MOUNTING OF THE TOP PLATE ...................................................... 37
8. PILING FUNCTION FAULT DETECTION........................... 38
9. LUBRICATION.................................................................... 40
10. ROUTINE SERVICE CHART HAMMERS........................... 41
11. CHECKING THE PRE-CHARGE PRESSURE OF THE
ACCUMULATORS .............................................................. 41
12. TORQUE FOR STEEL BOLTS AND NUTS........................ 42
13. TORQUE FOR HYDRAULIC FITTINGS.............................. 45
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