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STC Hitachi ZX870 Operating And Parts Manual

Special heavy duty triple boom excavator
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Vosmatenweg 3
STC Coevorden B.V.
NL-7742 SX Coevorden
T: +31 (0)524 525 375
F: +31 (0)524 523 560
W: www.stcbv.nl
Manual
E: stc@stcbv.nl
Operating and Parts Manual
Hitachi ZX870 STC Special
Heavy Duty Triple Boom Excavator
Page 1 of 25

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Summary of Contents for STC Hitachi ZX870

  • Page 1 Vosmatenweg 3 STC Coevorden B.V. NL-7742 SX Coevorden T: +31 (0)524 525 375 F: +31 (0)524 523 560 W: www.stcbv.nl Manual E: stc@stcbv.nl Operating and Parts Manual Hitachi ZX870 STC Special Heavy Duty Triple Boom Excavator Page 1 of 25...
  • Page 2 Hitachi ZX870 Quick coupler CW70 Hitachi ZX870 Backhoe page 7 Hitachi ZX870 Removable Counter Weight frame Hitachi ZX870 Track wideners / Machine frame Hitachi ZX870 Track wideners / Extension blocks & Tracks page 9 Boom connections page 11 Hydraulic connections...
  • Page 3 This guide is an addition to the instruction manual of your basic machine on which the STC BV Heavy Duty Triple boom Excavator is mounted. Since this guide refers only to the use and maintenance of the equipment supplied by us, we want to recommend in addition carefully read the instruction and maintenance regulations of your basic machine.
  • Page 4 Vosmatenweg 3 STC Coevorden B.V. NL-7742 SX Coevorden T: +31 (0)524 525 375 F: +31 (0)524 523 560 W: www.stcbv.nl Manual E: stc@stcbv.nl SEAT Drawing number: 1-7363-0 PART BOOM Drawing number: 1-7364-0 Page 4 of 25...
  • Page 5 Vosmatenweg 3 STC Coevorden B.V. NL-7742 SX Coevorden T: +31 (0)524 525 375 F: +31 (0)524 523 560 W: www.stcbv.nl Manual E: stc@stcbv.nl PART BOOM Drawing number: 1-7365-0 PART MIDDLE ARM Drawing number: 1-7366-0 Page 5 of 25...
  • Page 6 Vosmatenweg 3 STC Coevorden B.V. NL-7742 SX Coevorden T: +31 (0)524 525 375 F: +31 (0)524 523 560 W: www.stcbv.nl Manual E: stc@stcbv.nl PART STICK AND STONE-CARRIAGE Original Hitachi stick and stone carriage used. Equipped with Quick coupler CW70 BACKHOE...
  • Page 7 Vosmatenweg 3 STC Coevorden B.V. NL-7742 SX Coevorden T: +31 (0)524 525 375 F: +31 (0)524 523 560 W: www.stcbv.nl Manual E: stc@stcbv.nl TRACK WIDENERS / MACHINE FRAME Drawing number: 1-7370-0 TRACK WIDENERS / EXTENSION BLOCKS & TRACKS Drawing number: 1-7371-0...
  • Page 8 Vosmatenweg 3 STC Coevorden B.V. NL-7742 SX Coevorden T: +31 (0)524 525 375 F: +31 (0)524 523 560 W: www.stcbv.nl Manual E: stc@stcbv.nl Page 8 of 25...
  • Page 9 Vosmatenweg 3 STC Coevorden B.V. NL-7742 SX Coevorden T: +31 (0)524 525 375 F: +31 (0)524 523 560 W: www.stcbv.nl Manual E: stc@stcbv.nl BOOM CONNECTIONS Support frame Page 9 of 25...
  • Page 10 Vosmatenweg 3 STC Coevorden B.V. NL-7742 SX Coevorden T: +31 (0)524 525 375 F: +31 (0)524 523 560 W: www.stcbv.nl Manual E: stc@stcbv.nl Support frame 1x Orig.pin nr.8100946 (Ø170) 2x Orig.pin nr.8101379 (Ø130) 2x Pin nr. 1-7363-036 (Ø150) Turningpoint A 2x Pin nr.
  • Page 11 Vosmatenweg 3 STC Coevorden B.V. NL-7742 SX Coevorden T: +31 (0)524 525 375 F: +31 (0)524 523 560 W: www.stcbv.nl Manual E: stc@stcbv.nl HYDRAULLIC CONNECTIONS Part N°. Description Remarks Key N°. FHS66CFX Split flange 6000PSI SAE 1-1/2" Steel 5113-24 Tussenflens 1-1/2" met meetpunt G1/4" 600PSI IN24-50x5,0TFVCF F37 Insert 1-1/2"...
  • Page 12 Vosmatenweg 3 STC Coevorden B.V. NL-7742 SX Coevorden T: +31 (0)524 525 375 F: +31 (0)524 523 560 W: www.stcbv.nl Manual E: stc@stcbv.nl Part N°. Description Remarks Key N°. 5741-24 Relief port 1/4" added SAE T-Block 1-1/2" 6000PSI FHS66CFX Split flange 6000PSI SAE 1-1/2" Steel PFF66GCF Draadflens SAE1 1/2"-6000psi o-ring...
  • Page 13 Vosmatenweg 3 STC Coevorden B.V. NL-7742 SX Coevorden T: +31 (0)524 525 375 F: +31 (0)524 523 560 W: www.stcbv.nl Manual E: stc@stcbv.nl Part N°. Description Remarks Key N°. FHS66CFX Split flange 6000PSI SAE 1-1/2" Steel IN24-50x5,0TFVCF F37 Insert 1-1/2"...
  • Page 14 Vosmatenweg 3 STC Coevorden B.V. NL-7742 SX Coevorden T: +31 (0)524 525 375 F: +31 (0)524 523 560 W: www.stcbv.nl Manual E: stc@stcbv.nl Part N°. Description Remarks Key N°. HSRS50 Hydraulic steel-clamps HSRS30 Hydraulic steel-clamps EE20X Elastomere Inlay for HSRS30 F37-624T-CFX Flare flange 1-1/2"...
  • Page 15 Vosmatenweg 3 STC Coevorden B.V. NL-7742 SX Coevorden T: +31 (0)524 525 375 F: +31 (0)524 523 560 W: www.stcbv.nl Manual E: stc@stcbv.nl LIFTING CHARTS Measured over front: Without extension Page 15 of 25...
  • Page 16 Vosmatenweg 3 STC Coevorden B.V. NL-7742 SX Coevorden T: +31 (0)524 525 375 F: +31 (0)524 523 560 W: www.stcbv.nl Manual E: stc@stcbv.nl Measured over front: With extension Page 16 of 25...
  • Page 17 Vosmatenweg 3 STC Coevorden B.V. NL-7742 SX Coevorden T: +31 (0)524 525 375 F: +31 (0)524 523 560 W: www.stcbv.nl Manual E: stc@stcbv.nl Measured over side: With extension Page 17 of 25...
  • Page 18 Vosmatenweg 3 STC Coevorden B.V. NL-7742 SX Coevorden T: +31 (0)524 525 375 F: +31 (0)524 523 560 W: www.stcbv.nl Manual E: stc@stcbv.nl Measured over side: With single small extension Page 18 of 25...
  • Page 19 Vosmatenweg 3 STC Coevorden B.V. NL-7742 SX Coevorden T: +31 (0)524 525 375 F: +31 (0)524 523 560 W: www.stcbv.nl Manual E: stc@stcbv.nl Measured over side: With small extension and 5 ton counter weight Page 19 of 25...
  • Page 20 Vosmatenweg 3 STC Coevorden B.V. NL-7742 SX Coevorden T: +31 (0)524 525 375 F: +31 (0)524 523 560 W: www.stcbv.nl Manual E: stc@stcbv.nl Measured over side: With small extension Page 20 of 25...
  • Page 21 Vosmatenweg 3 STC Coevorden B.V. NL-7742 SX Coevorden T: +31 (0)524 525 375 F: +31 (0)524 523 560 W: www.stcbv.nl Manual E: stc@stcbv.nl Measured over side: Without extension and 5 ton counter weight Page 21 of 25...
  • Page 22 Vosmatenweg 3 STC Coevorden B.V. NL-7742 SX Coevorden T: +31 (0)524 525 375 F: +31 (0)524 523 560 W: www.stcbv.nl Manual E: stc@stcbv.nl Measured over side: Without extension Page 22 of 25...
  • Page 23 Vosmatenweg 3 STC Coevorden B.V. NL-7742 SX Coevorden T: +31 (0)524 525 375 F: +31 (0)524 523 560 W: www.stcbv.nl Manual E: stc@stcbv.nl Triple boom configuration: Page 23 of 25...
  • Page 24 Make sure that you know the maintenance procedure well before beginning. Do not make any changes to the mechanical or hydraulic functions, without permission of STC BV. Unauthorized changes may lead to hazardous situations and the expiration of the warranty! Do the following control and maintenance: Check the hydraulic system for leakage and damage.
  • Page 25 Vosmatenweg 3 STC Coevorden B.V. NL-7742 SX Coevorden T: +31 (0)524 525 375 F: +31 (0)524 523 560 W: www.stcbv.nl Manual E: stc@stcbv.nl Bolts and Nuts: Check all bolts and nuts daily. Replace loosened bolts. Before bolts are being mounted, check bolts, nuts and threaded holes are oil-and grease clean to ensure correct mounting.