PRONAR WWT620D Operator's Manual

Multi-function arm

Hide thumbs

page of 92

/ 92
Bookmarks

Quick Links

Download this manual

PRONAR WWT620D / WWT624D

EDITION 2B-05-2019

PRONAR Sp. z o.o.

17-210 NAREW, UL. MICKIEWICZA 101A, PODLASKIE PROVINCE

tel.:

fax:

OPERATOR'S MANUAL

MULTI-FUNCTION ARM

TRANSLATION OF THE ORIGINAL INSTRUCTIONS

+48 085 681 63 29

+48 085 681 63 81

+48 085 681 63 83

PUBLICATION NO 21N-0000000001-UM

+48 085 681 64 29

+48 085 681 63 82

+48 085 682 71 10

www.pronar.pl

Need help?

Do you have a question about the WWT620D and is the answer not in the manual?

Questions and answers

Summary of Contents for PRONAR WWT620D

Page 1 +48 085 681 63 81 +48 085 681 63 82 fax: +48 085 681 63 83 +48 085 682 71 10 www.pronar.pl OPERATOR'S MANUAL MULTI-FUNCTION ARM PRONAR WWT620D / WWT624D TRANSLATION OF THE ORIGINAL INSTRUCTIONS EDITION 2B-05-2019 PUBLICATION NO 21N-0000000001-UM...
Page 3 MULTI-FUNCTION ARM PRONAR WWT620D / WWT624D MACHINE IDENTIFICATION SYMBOL /TYPE: SERIAL NUMBER:...
Page 4 The manual describes the basic safety rules and operation of multifunction arm PRONAR WWT620D / WWT624D. If the information stated in the Operator's Manual needs clarification then the user should refer for assistance to the sale point where the machine was purchased or to the Manufacturer.
Page 5 SYMBOLS APPEARING IN THIS OPERATOR'S MANUAL Information, descriptions of danger and precautions and also recommendations and prohibitions associated with user safety instructions are marked: and also preceded by the word "DANGER". Failure to observe the instructions may endanger the machine operator's or other person's health or life. Particularly important information and instructions, the observance of which is essential, are distinguished in the text by the sign: and also preceded by the word "ATTENTION".
Page 9 CONTENTS BASIC INFORMATION 1.1 IDENTIFICATION 1.2 INTENDED USE 1.3 EQUIPMENT 1.4 TERMS OF WARRANTY 1.5 TRANSPORT 1.6 ENVIRONMENTAL HAZARDS 1.7 WITHDRAWAL FROM USE SAFETY ADVICE 2.1 BASIC SAFETY RULES 2.1.1 USE OF MACHINE 2.1.2 HITCHING AND UNHITCHING THE MACHINE 2.1.3 HYDRAULIC SYSTEM 2.1.4 TRANSPORTING THE MACHINE...
Page 10 5.2 HYDRAULIC SYSTEM MAINTENANCE 5.2.1 OIL TANK AND OIL FILTERS 5.2.2 MULTIPLIER GEAR BOX WITH THE HYDRAULIC OIL PUMP ASSEMBLY 5.7 5.2.3 HYDRAULIC SELECTIVE CONTROL VALVES (WWT620D) AND ELECTROHYDRAULIC SELECTIVE CONTROL VALVES (WWT624D) 5.3 ELECTRICAL SYSTEM MAINTENANCE 5.10 5.4 LUBRICATION 5.11 5.5 TIGHTENING BOLT CONNECTIONS...
Page 11 SECTION BASIC INFORMATION...
Page 12 FIGURE 1.1 Location of the data plate. PRONAR WWT620D / WWT624D multifunction arms are marked with rating plates located on the lower part of the multifunction arm's frame (FIGURE 1.1). When buying the machine check that the serial numbers on the machine agree with the number written in the...
Page 13 PRONAR WWT620D / WWT624D multifunction arm is constructed according to current safety requirements and engineering standards. PRONAR WWT620D / WWT624D multifunction arms are designed to work with working head adjusted to such a type of arm. The multifunction arm with a working head is designed for the maintenance of municipal infrastructure, urban greenery, orchards and wooded areas and for agricultural works.
Page 14 PRONAR WWT620D / WWT624D SECTION 1 Using it as intended involves all actions connected with the safe and proper operation and maintenance of the machine. Due to the above, the user is obliged to: • carefully read the OPERATOR'S MANUAL and comply with its recommendations, •...
Page 15 1.4 TERMS OF WARRANTY PRONAR Sp. z o.o. Narew guarantees the reliable operation of the machine when it is used according to its intended purpose as described in the OPERATOR'S MANUAL. Defects discovered during the warranty period will be removed by the Warranty Service. The repair period is specified in the Warranty Book.
Page 16 PRONAR WWT620D / WWT624D SECTION 1 Demand that the seller carefully and precisely fills out the WARRANTY BOOK and guarantee repair coupons. A missing date of purchase or sale point stamp may make the user ineligible for any warranty repair or refund.
Page 17 SECTION 1 PRONAR WWT620D / WWT624D During loading, the multifunction arm should be placed in transport position, without the working head. (FIGURE 4.6). FIGURE 1.2 Support feet of multifunction arm during loading. (1)- support feet. During loading and transportation the multifunction arm should stand on support feet (1) (FIGURE 1.2) extended and locked on both sides of the arm at the same height.
Page 18 PRONAR WWT620D / WWT624D SECTION 1 FIGURE 1.3 Location of centre of gravity of the multifunction arm in transport position (without hydraulic oil in the tank). TABLE 1.3 Centre of gravity. Dimension (FIGURE 1.3) Unit WWT620D / WWT624D 1049...
Page 19 SECTION 1 PRONAR WWT620D / WWT624D 1.6 ENVIRONMENTAL HAZARDS A hydraulic oil leak constitutes a direct threat to the natural environment owing to its limited biodegradability. While carrying out maintenance and repair work which involves the risk of an oil leak, this work should take place on an oil resistant floor or surface. In the event of oil leaking into the environment, first of all contain the source of the leak, and then collect the leaked oil using available means.
Page 20 PRONAR WWT620D / WWT624D SECTION 1 1.10...
Page 21 SECTION SAFETY ADVICE...
Page 22 PRONAR WWT620D / WWT624D SECTION 2 2.1 BASIC SAFETY RULES 2.1.1 USE OF MACHINE • Before using the machine, the user must carefully read this Operator's Manual and the WARRANTY BOOK. When operating the machine, the operator must comply with all recommendations contained in the Operator's Manual.
Page 23 SECTION 2 PRONAR WWT620D / WWT624D personal protective equipment such as protective clothing, safety goggles, safety helmet to reduce the risk of injuries. • In order to limit occupational risks associated with exposure to noise during multifunction arm operation use individual protection (hearing protectors). In order to reduce the level of noise during work, the operator cab windows and door should be closed.
Page 24 PRONAR WWT620D / WWT624D SECTION 2 2.1.3 HYDRAULIC SYSTEM • The hydraulic system is under high pressure when operating. • Regularly check the technical condition of the connections and the hydraulic conduits. There must be no oil leaks. • In the event of the hydraulic system malfunction, discontinue using the machine until the malfunction is corrected.
Page 25 SECTION 2 PRONAR WWT620D / WWT624D 2.1.4 TRANSPORTING THE MACHINE • When driving on public roads, comply with the road traffic regulations in force in the country in which the machine is used. • Do not exceed the permitted speed arising from road conditions and design limitations.
Page 26 PRONAR WWT620D / WWT624D SECTION 2 • Regularly check the technical condition of the safety devices and correct tightening of bolt connections. • Regularly perform service inspections of machine as recommended by the Manufacturer. • Do NOT perform maintenance or repair work under raised and unsupported machine.
Page 27 SECTION 2 PRONAR WWT620D / WWT624D 2.1.6 OPERATING THE MULTIFUNCTION ARM • Before starting the multifunction arm, make sure that there are no bystanders (especially children) or animals in the danger zone. The machine operator is obliged to ensure proper visibility of the machine and the working area.
Page 28 PRONAR WWT620D / WWT624D SECTION 2 • In the event of a tilt of the carrying vehicle (agricultural tractor) with the multifunction arm, immediately lower the working head to the ground and stop the carrying vehicle (agricultural tractor). 2.1.7 OPERATION OF PTO SHAFT •...
Page 29 SECTION 2 PRONAR WWT620D / WWT624D • Do NOT go over and under the shaft or stand on it equally during work as also when the machine is parked.
Page 30 SECTION 2 2.2 RESIDUAL RISK Pronar Sp. z o. o. in Narew has made every effort to eliminate the risk of accidents. There is, however, a certain residual risk, which could lead to an accident, and this is connected mainly with the actions described below: •...
Page 31 Safety decals are available from your PRONAR dealer or directly from PRONAR customer service. New assemblies, changed during repair, must be labelled once again with the appropriate safety signs.
Page 32 PRONAR WWT620D / WWT624D SECTION 2 FIGURE 2.1 Locations of information and warning decals. Meaning of decals (TABLE 2.1) 2.12...
Page 33 SECTION 2 PRONAR WWT620D / WWT624D TABLE 2.1 Information and warning decals DECAL MEANING Before starting work, carefully read the Operator's Manual. Before beginning maintenance or repairs, turn off engine and remove key from ignition. Take particular care while working near electric power lines.
Page 34 PRONAR WWT620D / WWT624D SECTION 2 DECAL MEANING Lubrication points Machine type Machine type PRONAR decal Hydraulic oil classification decal Machine type 2.14...
Page 35 SECTION DESIGN AND OPERATION...
Page 36 PRONAR WWT620D / WWT624D SECTION 3 3.1 TECHNICAL SPECIFICATION TABLE 3.1 BASIC TECHNICAL DATA Unit WWT620D WWT624D Dimensions Total length in transport setting 1,35 Width in transport setting: 1,63 Height in transport setting: 3,56 Technical specification Multifunction arm drive Hydraulic - own power source...
Page 37 SECTION 3 PRONAR WWT620D / WWT624D FIGURE 3.1 Working reach of the multifunction arm with GK110 head. (1)- reach of centre of attachment;...
Page 38 PRONAR WWT620D / WWT624D SECTION 3 TABLE 3.2 WORKING REACH OF THE MULTIFUNCTION ARM (FIGURE 3.1) Unit WWT620D / WWT624D Horizontal reach (A) 6.12 Minimum lateral reach (B) 1.07 Reach at 45° (C) 4.22 Reach on embankment at 45° (D) 6.23...
Page 39 (option); (6)- multiplier gear box with hydraulic pumps; (7)- hydraulic system; (8)- arm shock absorbing unit; (9)- oil tank; (10)- oil cooler; (11)- control system (WWT620D); (12)- main arm; (13)- end arm; (14)- working head connection (TYPE 80); (15)- rotary hanger; (16)- shock absorbing unit of hydraulic safety device;...
Page 40 PRONAR WWT620D / WWT624D SECTION 3 • power transmission system • hydraulic system with controls. The multifunction arm design is based on frame (1) to which jointed main arm (12) and end arm (13) are connected through rotary hanger (15). The rotary hanger connected with...
Page 41 SECTION 3 PRONAR WWT620D / WWT624D Hydraulic cylinders of WWT620D multifunction arm are controlled by means of a hydraulic selective control valve by the carrying vehicle's (tractor's) driver using the controls (11). The selective control valve is controlled mechanically by means of cables connected to the controls levers (11).
Page 42 PRONAR WWT620D / WWT624D SECTION 3 FIGURE 3.4 Hydraulic system of WWT624D multifunction arm - diagram (1) - oil tank; (2) - coarse oil filter (suction filter); (3) - fine oil filter; (4) – quick couplers; (5) - tandem pump; (6) - main arm cylinder; (7) - end arm cylinder; (8) - rotation cylinder; (9) - working head rotation cylinder;...
Page 43 SECTION CORRECT USE...
Page 44 PRONAR WWT620D / WWT624D SECTION 4 4.1 PREPARING FOR WORK The manufacturer guarantees that the machine is fully operational and has been checked according to quality control procedures and is ready for use. This does not release the user from an obligation to check the machine's condition after delivery and before first use. The machine is delivered to the user completely assembled.
Page 45 SECTION 4 PRONAR WWT620D / WWT624D • start PTO drive. • set multifunction arm in working position. DANGER Do NOT exceed the PTO rotation speed of 540 rpm. Otherwise the multiplier gear box and hydraulic system of the multifunction arm may be damaged.
Page 46 SECTION 4 4.2 HITCHING THE MULTIFUNCTION ARM TO THE CARRYING VEHICLE (TRACTOR) PRONAR WWT620D / WWT624D multifunction arm may be hitched to a carrying vehicle (tractor) which meets the requirements specified in Table 1.1 "REQUIREMENTS FOR CARRYING VEHICLE (TRACTOR)". FIGURE 4.1...
Page 47 SECTION 4 PRONAR WWT620D / WWT624D (A)- lower links of the rear three-point linkage of carrying vehicle (tractor); (B)- upper securing point of the rear three-point linkage of carrying vehicle (tractor); (1)- lower fixing pins of the multifunction arm's linkage; (2)- upper fixing pin of the multifunction arm's linkage; (3)- central connector of the three-point linkage lock system;...
Page 48 PRONAR WWT620D / WWT624D SECTION 4 • Connect lower links (A) of the carrying vehicle's (tractor's) three-point linkage and unlocked lower links (4) of the three-point linkage lock system with two lower pins (1) of the multifunction arm linkage. Secure pins (1) with cotter pins.
Page 49 SECTION 4 PRONAR WWT620D / WWT624D FIGURE 4.2 How to position the multifunction arm in relation to the ground. (1)- drive shaft; (2)- lower links of the carrying vehicle's (tractor's) rear three-point linkage; (3)- central link of the three-point linkage lock system.
Page 50 (agricultural tractor`s) cab with a pictogram. (A)- controls; (B)- controls pictogram • Mount the controls (A) (FIGURE 4.3) of WWT620D multifunction arm inside the carrying vehicle's (tractor's) cab in the place which makes it possible to manoeuvre the control levers freely from the seat of the carrying vehicle (tractor) operator. The controls should be mounted in a stable manner, without weakening the protective structure of the carrying vehicle (tractor).
Page 51 SECTION 4 PRONAR WWT620D / WWT624D FIGURE 4.4 The control panel with joystick of WWT624D multifunction arm in the carrying vehicle's (agricultural tractor`s) cab with a pictogram. (A)- control panel with joystick; (B)- control system pictogram • Mount the control panel and joystick (A) (FIGURE 4.4) of WWT624D multifunction arm inside the carrying vehicle's (tractor's) cab in the place which makes it possible to manoeuvre the controls freely from the seat of the carrying vehicle (tractor) operator.
Page 52 PRONAR WWT620D / WWT624D SECTION 4 4.3 BALLASTING THE CARRYING VEHICLE (TRACTOR) FIGURE 4.5 Ballasting the carrying vehicle (tractor). Figure description: Table 4.1 ATTENTION Misuse of carrying vehicle may cause damage to the vehicle as well as reduce stability, manoeuvrability and braking efficiency of the vehicle.
Page 53 SECTION 4 PRONAR WWT620D / WWT624D ATTENTION Installation of implements on the three-point linkage and a counterweight on the carrying vehicle must not result in exceeding the permissible total weight, permissible axle load and load capacity of carrying vehicle's tyres.
Page 54 PRONAR WWT620D / WWT624D SECTION 4 Make the following calculations (FIGURE 4.5 – I) in order to confirm that these conditions are met: CALCULATION OF THE MINIMUM FRONT BALLAST G Vmin • (c + d) – T • b+0,2 • T •...
Page 55 SECTION 4 PRONAR WWT620D / WWT624D 4.4 START AND OPERATION OF THE MULTIFUNCTION ARM BY MEANS OF THE CONTROL SYSTEM Once the multifunction arm is attached to the carrying vehicle (agricultural tractor), you may start the machine. DANGER The multifunction arm may only be started when all its protection guards are installed properly.
Page 56 PRONAR WWT620D / WWT624D SECTION 4 FIGURE 4.6 Controlling WWT620D multifunction arm. 4.14...
Page 57 SECTION 4 PRONAR WWT620D / WWT624D (1)- main arm control lever; (2)- end arm control lever; (3)- working head control lever; (4)- lever controlling the rotation of multifunction arm from working position to transport position; (5)- lever controlling the rotation direction of the working head's hydraulic motor; (6)- locking before the change of the rotation direction of the working head's hydraulic motor;...
Page 58 PRONAR WWT620D / WWT624D SECTION 4 ATTENTION All the control panel and joystick operations should be performed only from the operator's seat in the carrying vehicle's (tractor's) cab. Operating the control panel and the joystick outside the operator's cab is forbidden.
Page 59 SECTION 4 PRONAR WWT620D / WWT624D working head drive; (13)- indicator light of activation of the clockwise rotation of the working head drive; (14)- safety push-button. Before manoeuvring the multifunction arm, confirm that the power supply switch of the control panel (9) (FIGURE 4.7) is in the unlocked position.
Page 60 PRONAR WWT620D / WWT624D SECTION 4 4.5 ATTACHING THE WORKING HEAD WWT620D / WWT624D multifunction arm can be connected with working heads designed for cooperating with the working head connection and hydraulic system of the multifunction arm. ATTENTION Before attaching the working head, the user must carefully read the operator's manuals of the working head, carrying vehicle (agricultural tractor) and multifunction arm and observe all instructions contained in the manuals.
Page 61 SECTION 4 PRONAR WWT620D / WWT624D FIGURE 4.8 Attaching the working head to the multifunction arm. (1)- working head attachment TYPE 80 (option: TYPE 60); (2)- working head attachment holder; (3)- working head attachment lock; (4)- clamping bolts; (5)- nuts; (6)- washers; (7)- connecting bracket;...
Page 62 PRONAR WWT620D / WWT624D SECTION 4 • Turn off the carrying vehicle's (agricultural tractor's) engine and prevent the carrying vehicle (tractor) from moving. • Connect the multifunction arm's head attachment (1) to the working head's attachment (support beam) by means of holder (2) and lock (3) of the attachment. Screw the entire assembly together with four fixing bolts (4).
Page 63 SECTION 4 PRONAR WWT620D / WWT624D 4.6 TRANSPORTING THE MACHINE ATTENTION Before driving on public roads in order to transport the multifunction arm to the work site and back, the multifunction arm shall be folded to its transport position. When driving on public roads, comply with the road traffic regulations in force in the country in which the machine is used.
Page 64 PRONAR WWT620D / WWT624D SECTION 4 DANGER During transport, pay special attention and exercise particular caution when driving the carrying vehicle with the multifunction arm under viaducts, bridges and electric power lines. FIGURE 4.10 Ball valves in the transport position (1)- ball valves of arms tilt cylinders, (2)- ball valve of arm shock absorbing unit;...
Page 65 • turn on the drive of the carrying vehicle's (agricultural tractor's) rear PTO; • operate appropriate hydraulic cylinders of the multifunction arm (FIGURE 4.6) (WWT620D) or (FIGURE 4.7) (WWT624D) in order to place the working head in the working area (FIGURE 4.11);...
Page 66 SECTION 4 • turn on the hydraulic motor which drives the working head using the multifunction arm's controls (FIGURE 4.6) (WWT620D) or (FIGURE 4.7) (WWT624D); DANGER The working head may only be started when all the protection guards of the multifunction arm and working head mounted properly and the working head is in its working position.
Page 67 SECTION 4 PRONAR WWT620D / WWT624D DANGER NEVER work if the rotating elements of the working head are directed towards the carrying vehicle (agricultural tractor). Otherwise the carrying vehicle (agricultural tractor) may be damage or the operator may be injured.
Page 68 When the working head moves along an uneven ground and requires frequent changes of its titling position, enable the floating position function for the titling of the working head by moving control lever (3) to position (F) (FIGURE 4.6) (WWT620D) or pressing push-button 4.26...
Page 69 (A) valve (1) of the arm shock absorbing unit (FIGURE 4.14) (WWT620D) or turning on the switch (8) (FIGURE 4.7) (WWT624D). At the time, the arm of the multifunction arm changes its vertical position smoothly and adjusts the head's setting to the ground irregularities (B) (FIGURE 4.15).
Page 70 PRONAR WWT620D / WWT624D SECTION 4 DANGER Bystanders should be at a safe distance from the multifunction arm's working head during operation with the arm raised because of the risk of diverse material (stones, branches etc.) falling and being thrown by the head.
Page 71 SECTION 4 PRONAR WWT620D / WWT624D FIGURE 4.16 Throttle-check valves of arm tilt cylinders. (1)- throttle-check valve of main arm tilt, (2)- throttle-check valve of end arm tilt; (A)- reduction of oil flow speed; (B)- increase of oil flow speed.
Page 72 PRONAR WWT620D / WWT624D SECTION 4 FIGURE 4.17 Method of increasing the maximum reach of the main arm of the multifunction arm. (1)- main arm cylinder rod, (2)- cylinder pin; (3)- securing pin; (A)- location of cylinder pin for the maximum vertical reach of the arm; (B)- location of cylinder pin for the maximum horizontal reach of the arm.
Page 73 SECTION MAINTENANCE...
Page 74 PRONAR WWT620D / WWT624D SECTION 5 5.1 TECHNICAL INSPECTION When preparing the multifunction arm for use, check its individual components according to guidelines presented in Table 5.1. TABLE 5.1 TECHNICAL INSPECTION SCHEDULE DESCRIPTION MAINTENANCE ACTIVITIES FREQUENCY Correct mounting of the...
Page 75 SECTION 5 PRONAR WWT620D / WWT624D 5.2 HYDRAULIC SYSTEM MAINTENANCE DANGER Before commencing whatever work on hydraulic system reduce the pressure in the system. DANGER During work on hydraulic system, use the appropriate personal protection equipment i.e. protective clothing, footwear, gloves and eye protection. Avoid contact of skin with oil.
Page 76 PRONAR WWT620D / WWT624D SECTION 5 TABLE 5.2 HL46 HYDRAULIC OIL CHARACTERISTICS ITEM NAME VALUE ISO 3448VG viscosity classification Kinematic viscosity at 40 41.4 ÷ 50.6 mm ISO 6743/99 quality classification DIN 51502 quality classification Flash-point above 220 Because of its composition, the oil is not classified as a dangerous substance, however long- term action on the skin or eyes may cause irritation.
Page 77 SECTION 5 PRONAR WWT620D / WWT624D FIGURE 5.1 Oil tank (1)- oil tank; (2)- oil inlet cap; (3)- oil level indicator; (4)- drain plug, (5)- oil filter; (6)- oil suction filter (inside the oil tank); (7)- tank inlet cover. Change the oil in the tank after every 1000 hours of operation of the multifunction arm or once a year, whichever occurs first.
Page 78 PRONAR WWT620D / WWT624D SECTION 5 While changing oil in the tank, always change the suction filter (6) inside the tank and the external filter (5). Replace the suction filter (6) (inside the oil tank) every 1000 hours of operation of the multifunction arm or once a year while changing oil in the tank, whichever occurs first.
Page 79 SECTION 5 PRONAR WWT620D / WWT624D 5.2.2 MULTIPLIER GEAR BOX WITH THE HYDRAULIC OIL PUMP ASSEMBLY FIGURE 5.2 Multiplier gear box with hydraulic pump and viscosity classification of gear oils depending on the ambient temperature. (A)- multiplier gear box; (B)- hydraulic pumps assembly; (1)- oil filler plug; (2)- sight-glass;...
Page 80 PRONAR WWT620D / WWT624D SECTION 5 5.2.3 HYDRAULIC SELECTIVE CONTROL VALVES (WWT620D) AND ELECTROHYDRAULIC SELECTIVE CONTROL VALVES (WWT624D) FIGURE 5.3 Hydraulic selective control valves (WWT620D). (1)- hydraulic selective control valve for support system arms cylinders; (2)- hydraulic selective control valve for the working head hydraulic motor.
Page 81 (2) (FIGURE 5.4) is used for starting the working head's hydraulic motor. The selective control valves are controlled by means of mechanical control system (WWT620D) or electrically by means of control panel with joystick (WWT624D) in the tractor's cab. Check the condition of seals of selective control valves daily and pump grease into all grease nipples located on individual sections of hydraulic selective control valves.
Page 82 PRONAR WWT620D / WWT624D SECTION 5 5.3 ELECTRICAL SYSTEM MAINTENANCE DANGER Do not independently repair electrical system, except items described in section "ELECTRICAL SYSTEM MAINTENANCE". All electrical system repairs must be performed only by suitably qualified personnel. Maintenance of electrical system involves checking the operation of power supply system of oil cooler fan and lighting system.
Page 83 SECTION 5 PRONAR WWT620D / WWT624D 5.4 LUBRICATION FIGURE 5.5 Location of lubrication point pictograms. 5.11...
Page 84 PRONAR WWT620D / WWT624D SECTION 5 When using the machine the user is obliged to observe lubrication instructions according to attached schedule. Excess lubricant causes depositing of additional contaminants in places requiring lubrication, therefore it is essential to keep individual machine components clean.
Page 85 SECTION 5 PRONAR WWT620D / WWT624D 5.5 TIGHTENING BOLT CONNECTIONS Before each use of the machine and during maintenance and repair work, confirm that all bolt connections are properly tightened. If any clearances in bolt connections are found, tighten bolt connections using appropriate tightening torque (TABLE 5.3), unless other tightening parameters are given.
Page 86 PRONAR WWT620D / WWT624D SECTION 5 5.6 STORAGE After completed work, the multifunction arm should be carefully cleaned and washed with a water jet. While washing do not direct a strong water or steam jet at information and warning decals, bearings or hydraulic conduits. Nozzle of pressure or steam washer should be kept at a distance of not less than 30 cm from cleaned surface.
Page 87 SECTION 5 PRONAR WWT620D / WWT624D 5.7 TROUBLESHOOTING TABLE 5.4 TROUBLESHOOTING TYPE OF FAULT CAUSE REMEDY The power supply switch of the Unlock the power supply switch control panel is depressed of the control panel (turn it) (WWT624D) Control system or control...
Page 88 PRONAR WWT620D / WWT624D SECTION 5 5.16...
Page 89 NOTES …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… ……………………………………………………………………………………………………………...
Page 90 …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… ……………………………………………………………………………………………………………...

This manual is also suitable for:

Wwt624d