TEST REPORT

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Harvester head H 762 C Overall mass 1327 / 1270 kg (with/without rotator and swing brake)* required pump capacity* 220 l/min Cutting length(available) 700 mm Chain speed 40 m/s Saw chain lubricating oil consumption* n.a. l/operating hour Saw chain lubricating oil tank volume 5 l Feed roller diameter 480 mm Guide length 1210 mm Delimbing diameter 450 mm max. felling diameter 590 mm Arm function 2 encircling delimbing knives at top and bottom of the unit; supported by feed rollers in necessary * Manufacturers declaration 1 1 fixed top v-shaped delimbing knife 2 2 top, encircling, moving delimbing knives attached to basic frame, diameter-dependant contact pressure 3 2 swivelling hydrostatically driven feed rollers (steel rollers with elliptical spikes) 4 2 lower movable delimbing knives 5 Felling unit with electro-hydraulically operated and driven chainsaw, diameter-dependant cut control Figure 6 harvester head 6 Spring-loaded length measuring wheel 7 Diameter measurement by single angle gauge connected to control bar of the swivelling feed rollers (s. 4) 8 Hydraulic chain tensioner Min. Akt. Max. Maximum felling diameter (cm) 45,0 59,0 65,0 0 10 20 30 40 50 60 70 Figure 7: Comparison between the current test machine and the minimum and maximum values from the 8 machines tested to date in the same engine power class. 6/9
Spare parts supply, manuals and service good Maintenance effort Maintenance scope Operator manual Spare parts list Satisfactory (checking engine oil level very uncomfortable, 2 people are required to close floor pan, there is no ladder or platform for changing lamps in the roof lighting array; except in these cases maintenance is easy, central lubrication of the boom facilitates crane maintenance; hydraulic tank drainage hose is difficult to locate); front lower maintenance covers must be opened with utmost caution According to schedule and need; time required for daily maintenance (incl. operational fluid refilling) is about ½ hour, weekly maintenance requires about 1 hour Very well structured, clear and easy-to-read instructions Profusely illustrated and well-structured; all parts are easily found Training Training provided at delivery and additional training is available upon request; 2 days and 1 day additional training Cab Comfortable ROPS-, FOPS- and OPS – tested, vibration dampened, large safety cab, capable of swivelling sideways through 60°; large front screen; very organized design and good workmanship Operator seat Grammer Actimo XXL heated comfortable swivelling seat with air suspension, pneumatic brakes and longitudinal and transverse suspension; provided with a pneumatic lumbar support Comments / Evaluation Complies with standard Cab size and design Spacious cab with plenty of free space; ergonomic bright workplace; good workmanship; high front screen provides excellent upward visibility; good entrance yes Cab climate Efficient ventilation, heating and cooling; ventilator relatively loud at level 2 and above Control elements useful and well organized arrangement, all elements are well labelled and easy to reach yes Levelling Front and rear 12°, left and right 17° Work field illumination Visibility Overall good illumination of all work fields, especially of the harvester head, however, illumination of the area to the side of the crane column is less than adequate; there is no is no safe ladder or platform provided for maintenance work on the roof lighting array Large windows in the cab, which swivels with the crane, and a raised seating position provide good visibility; front visibility is obstructed by the crane cylinder and the display (blind area angle due to crane column 17.6°). High and convex front window provides excellent upward visibility (of the tree crowns) Noise low Noise level 60.0 dB(A) yes Vibration K eq = 5.8 According to current state of knowledge, exposing the operator to these vibration levels for a period of 8 hours (shift) is not expected to have detrimental health effects. Storage space on the machine Storage space in the cab Adequate, 201 litres; 1 large volume storage space for tools and oil-binding materials in the front of the machine, 3 narrow but large spaces (somewhat inconveniently shaped) for hoses located in the frame and beneath the cab; storage space for cutting bars under the cab floor; usability of the front main storage space is good; other storage spaces can only be used for hoses and cutting bars; there is no exterior storage space for saw chains The cab contains many, very good lockable storage spaces; a special storage space is provided for the operating manual and first-aid kit 7/9
Page 1 and 2: TEST REPORT Harvester Timberjack 14
Page 3 and 4: Short description Figure 1: Machine
Page 5: Drive circuit hydraulics Electronic
Page 9: There is no information concerning

TEST REPORT

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