Technical Manual Troubleshooting 850 - 3 850LC - 3 870H - 3 870LCH - 3 Hydraulic Excavator This Service Manual consists of three separate parts: Technical Manual (Operational Principle) Part No. TO1JB-E-00 Technical Manual (Troubleshooting) Part No. TT1JB-E-00 Workshop Manual (Workshop Manual in English only) Part No. W1JB-E-00 TT1JB-E-00 PART NO. ZAXIS 850 -3 850LC -3 870H -3 870LCH -3 HYDRAULIC EXCAVATOR TECHNICAL MANUAL TROUBLESHOOTING TT1JB-E-00 PRINTED IN EUROPE (YC) 2006.04 Hitachi Construction Machinery www.hitachi-c-m.com PART NO. TT1JB-E-00