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Summary of Contents for Sakai SW770
- Page 1 3498-36120-0 Read this handbook thoroughly and understand the whole information contained before trying to operate, inspect and service your machine! OPERATING & MAINTENANCE INSTRUCTIONS VIBRATING ROLLER → 4SW48 – 10101 From SW770 SW770HF → 4SW48 – 10101...
- Page 2 PREFACE This operator’s manual serves as a guide for the use of your Sakai SW770, SW770HF Vibrating Roller for those who are new to the machine, and also for the people who have experience in using the Machine and want to refresh their knowledge for the machine.
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Page 3: Table Of Contents
CONTENTS PREFACE MACHINE AND ENGINE IDENTIFICATION NUMBERS ........1 SAFETY NOTICES ....................2 1. BASIC PRECAUTIONS FOR SAFETY ............. 4 General Precautions ................4 Preparation for Safe Operation ..............6 Before Starting the Engine ............... 7 After Starting the Engine ................8 During Operation .................. - Page 4 Sprinkler ....................42 Precautions for Work ................45 2.6.1 Compaction operation ............... 45 2.6.2 When going downhill ................. 45 2.6.3 On a slope ..................45 Applicable Jobs ..................46 After Operation ..................46 Loading and Unloading ................47 2.9.1 Use of a trailer equipped with a winch ..........47 2.9.2 Self-propelling ...................
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Page 5: Machine And Engine Identification Numbers
When ordering parts or making inquiries about your machine, the following information is requested: (1) Machine model Indicated on the right side of seat in back. MODEL CHASSIS No (2) Machine serial number SW770 4SW48- ◯◯◯◯◯ SW770HF Location (3) Engine serial number Location – 1 –... -
Page 6: Safety Notices
SAFETY NOTICES For the safe use of your machine, correct handling and periodical maintenance are of utmost importance. Thoroughly read the safety precautions described in this manual. Do not attempt to operate and maintain your machine until you gain a full understanding of these safety statements. - Page 7 ☆ Non-approved modifications can pose safety-related problems. Before making any modifications, consult your distributor. For an injury or damage to the machine caused by non-approved modifications, Sakai accepts no responsibility. ☆ Basic precautions for safe operation of your machine are discussed beginning on page 4.
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Page 8: Basic Precautions For Safety
WARNING: Negligence of these instructions can lead to accidents. 1. BASIC PRECAUTIONS FOR SAFETY 1.1 General Precautions ■ Read thoroughly the operator’s manual. • Understand the functions of the controls and gauges. Familiarize yourself with their location and how to operate them. Understand the meaning of all the symbols. ■ Obey the worksite rules. • Follow the worksite rules such as matters forbidden or to be attended to, and working procedures. - Page 9 WARNING: Negligence of these instructions can lead to accidents. ■ Do not use a machine which has not been serviced correctly at regular intervals. • Before working, perform necessary inspections. Start operation only after making certain the machine is in good operating condition. If found to be abnormal, report to the responsible person and have the fault corrected.
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Page 10: Preparation For Safe Operation
WARNING: Negligence of these instructions can lead to accidents. ■ Mount on or dismount from your machine after it has come to a complete stop. • For getting on and off, face the machine and use the handrail and step. • Do not jump on or off a machine, particularly when it is moving. ■ To handle the hydraulic fluid. • Wear safety goggles to protect your eyes from contact with hydraulic fluid. It can irritate your eyes. If the fluid contacts your eyes, flush with clean water for 15 minutes and get medical aid. -
Page 11: Before Starting The Engine
WARNING: Negligence of these instructions can lead to accidents. ■ Know the stopping distance. • When traveling on a road, bear in mind the stopping distance. Avoid excessive speed, and abrupt starting and stopping, and moving in a zigzag direction. 1.3 Before Starting the Engine ■ Adjust the operator’s seat to your most effective operating position. • Sit on the operator’s seat. Adjust the seat so that your back will make contact with the seat back when the brake pedal is depressed to the full extent. Check to be sure that the brake pedal can be fully depressed without difficulty when you twist your body for reverse run. -
Page 12: After Starting The Engine
WARNING: Negligence of these instructions can lead to accidents. ■ Pay attention to ventilation. • Exhaust fumes are dangerous if breathed in. When starting the engine in an enclosed area, provide good ventilation with windows and doors opened. ■ Do not stand close to the exhaust gas pipe opening. • Exhaust fumes are noxious if breathed in. - Page 13 WARNING: Negligence of these instructions can lead to accidents. ■ Before mounting, be sure areas around the machine are safe. • Before getting on the machine, make certain that there are no obstacles around the machine and no workers under it. If some workers are present or close to the machine, tell them that the machine is about to move, warning them to stay away from it. ■...
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Page 14: Loading And Unloading
WARNING: Negligence of these instructions can lead to accidents. ■ Do not operate the machine except from the operator’s seat. Do not drive in a standing posture. ■ While making turns, do not run at abnormally high speed and do not turn the steering wheel abruptly and sharply. -
Page 15: Transportation
WARNING: Negligence of these instructions can lead to accidents. • To prevent your machine from crosswise slippage, keep the ramps free from oil, mud, debris, etc. The drum must also be free from extraneous matter that can cause slippage. • Do not steer your machine on the ramps. If the machine is facing in the wrong direction, allow it to dismount from the ramps, correct the direction and try again. • Do not use kinked, twisted or damaged wireropes for crane or winch operation. Use ones with ample strength. -
Page 16: Towing
WARNING: Negligence of these instructions can lead to accidents. • Inspect or handle the battery with the engine shut down and the starter key in the OFF position. • Keep metallic items such as tools away from the battery terminals. • Loose terminals can cause sparks leading to an explosion. Secure the terminals tightly. ■ Jump-starting the engine. • Wear safety goggles when jump-starting the machine. • When starting from another machine, do not allow the two machines to make contact with each other. • When connecting the battery cables, start with the positive terminal. -
Page 17: Before Servicing
WARNING: Negligence of these instructions can lead to accidents. 1.10 Before Servicing ■ Attach warning tags when servicing the machine. • Serious accidents can occur if the machine is unexpectedly started or controls carelessly touched by an unauthorized person. • Attach a warning tag at a clearly visible location in the operator’s station and insure the key has been removed from the ignition switch. DANGER Do not operate. Keep this warning tag, if not used, in tool box. ■... -
Page 18: During Servicing
WARNING: Negligence of these instructions can lead to accidents. ■ Inspect or service your machine with the engine stopped. • If required to keep the engine running in such a case as radiator interior cleaning, perform the work with two persons. One of them should sit on the operator’s seat getting ready for shutting down the engine. He must take care not to touch any of controls carelessly. Maintenance personnel must exercise extreme caution not to make contact with moving parts. - Page 19 WARNING: Negligence of these instructions can lead to accidents. ■ Carefully handle high pressure hoses. • Do not try to bend or hit hoses against a hard object. Do not use hoses or pipes that are bent or damaged. They will burst. • Replace damaged fuel hose and hydraulic hoses. An oil or hydraulic fluid spill can cause a fire ■ Be careful of high pressure hydraulic fluid. • Bear in mind that the working equipment hydraulic systems are under internal spressure. Do not perform adding, draining, inspection or servicing of the hydraulic systems until the internal pressure has been relieved.
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Page 20: Safety Decals
State of ･Operate only while seated. California to cause cancer, birth ･Use the handrails and steps when boarding and getting off. defects, and other reproductive harm. ･Never carry passengers. 3998-16489-0 ･Never attempt to board or get off the machine while it is moving. 2.Preparation for Safe Operation ･Clean the steps, operator's station and floorboards. ･Obey the worksite rules. ･Sakai accepts no responsibility for any injury or damage ⑤ 3998-16646-0 to the machine caused by unapproved modification. ･Do not use a machine which needs repair or maintenance. ･Sound the horn immediately prior to starting the engine to warn people in the vicinity. 3.Starting the Engine ･Check that all operating levers are in the neutral position. ⑨ 3998-16501-0 ･Idle the engine for about 5 minutes to warm it up prior to commencing work. 4.Parking Precautions DANGER ･When parking the machine, park it on level ground, set ... - Page 21 WARNING: Negligence of these instructions can lead to accidents. – 17 –...
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Page 22: Operation
2. OPERATION 2.1 Instruments and Controls 2.1.1 Operator’s station ① Vibration frequency selector switch ⑭ Overheat lamp ⑮ Dimmer switch (SW770HF only) ② Vibration drum selector switch ⑯ Steering wheel ③ Vibration amplitude selector switch ⑰ Starter switch ④ Vibration selector switch ⑱ Swivel pedal ⑤... -
Page 23: Gauges, Indicator Lamps And Warning Lamps
Indicates the fuel level in the tank. E: The tank is empty. F: The tank is full. Replenish fuel appropriately before the fuel runs down. Fuel gauge CAUTION Be sure to use fuel recommended by SAKAI ( refer to page 76 ) . – 19 –... - Page 24 Monitor display Flood lamp indicator lamp Side marker lamp indicator lamp Goes on when flood lamps are lighted. Indication of lighting of side lamps Turn signal indicator lamp Flashes when turn signal lever is moved. Parking brake indicator lamp Goes on when parking brake is engaged.
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Page 25: Switches
2.1.3 Switches Starter switch Starts and stops the engine. OFF : The key can be removed in this position. All the electric systems are switched off. To shut down the engine, move the key to this position. : The charging circuit and lamp circuit are charged with electricity. - Page 26 Engine speed changeover switch HIGH Select the engine speed. LOW : Warm-up (Idling) MED : Vibrating work at 2500 and 3000 rpm, Rolling work without vibration at 2000 rpm. HIGH : Work with vibration (Full-throttle) Flood lamp switch The flood lamps fitted at the rear of machine light up with the indicator lamp on the monitor display coming on when switch...
- Page 27 Speed shift switch Selects three vehicle speed ranges. Place the switch at the desired position. SW770 SW770HF 0 〜 6 km / h 0 〜 7 km / h （ 0 〜 3.7 mile / h ） （ 0 〜 4.3 mile / h ）...
- Page 28 Vibration amplitude selector switch / Vibration drum selector switch Select low or high amplitude vibration and vibration ON or OFF. : The front drum vibrates. : The front and rear drums (both drums) vibrate. : The rear drum vibrates. : High amplitude vibration Vibration drum Vibration amplitude : Vibration stop...
- Page 29 Vibration selector switch The switch permits selection of automatic or manual vibration operation. No matter what mode the machine is in, vibration will stop when the F-R lever is set in the neutral position. : The vibration switch attached to the F-R Vibration selector switch ...
- Page 30 For the intermittent sprinkling, set the sprinkler timer at Ⓓ Ⓔ the desired sprinkling duration and idling duration (SPRAY dial Ⓓ , PAUSE dial Ⓔ ). Then turn sprinkler selector switch Ⓒ to the TIMER position. Sprinkling will start. Sprinkling duration can be adjusted within 0 ~ 20 seconds with dial Ⓓ...
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Page 31: Operating Levers And Pedals
2.1.4 Operating levers and pedals Forward-reverse lever (F-R lever) with vibrator switch Moving the F-R lever forward or backward makes the machine travel forward or backward respectively. The Vibration ON / OFF neutral position brings the machine to a stop. The vehicle Ⓕ... -
Page 32: Unloader Valve
2.1.5 Unloader valve To gain access to the unload valve, open the hood and the right side in the engine room. The unloader valve disengages the drive, playing a role like a clutch. Use this valve for towing the machine when the engine is disabled or when troubles have developed in the hydraulic drive. -
Page 33: Fuse Box
2.1.6 Fuse box WARNING When changing a fuse, cut the power supply by turning the starter switch to the OFF position. Fuses protect electrical components and wiring 25 3 10 15 15 20 15 30 20 from burning. Change any fuse which has become powder-coated due to deterioration or which has a play between it and fuse holder. -
Page 34: Seat Adjustment (Option)
2.2.2 Seat adjustment (option) ② Adjust the seat for your best operating position.Move the lever as shown by arrow. With the lever held in that position, ② slide the seat forward or backward as desired. When properly adjusted, releasse the lever. ①... -
Page 35: Disengaging The Brake When Towing
2.2.4 Disengaging the brake when towing WARNING On a slope, chock the drums and prepare for towing before disengaging the brake. For towing the machine when the engine is disabled or when troubles have developed in the hydraulic system for propulsion, disengage the brake as instructed below: 1) Turn the valve knob clockwise until it stops. -
Page 36: Steering Wheel Position Adjustment
2.2.5 Steering wheel position adjustment 1) Pull the lever ⓐ upward. Doing so disengages the lock off the wheel. 2) Position the wheel for your operating comfort. 3) Lower the lever ⓐ to lock the wheel in place. ⓐ 2.2.6 Operator’s platform position adjustment Operator’s platform rotates by 90 degrees, clockwise or counterclock –... -
Page 37: Operation
2.3 Operation WARNING • This machine is a one-man roller. • Operate the machine from the operator’s seat. 2.3.1 Before-starting inspection 1) Check that the steering lock bar is in the carrying position. WARNING Make sure that the steering lock bar is connected in the carrying position before putting the machine in motion. -
Page 38: Starting The Engine
2.3.2 Starting the engine WARNING • Check that there is no person or obstacle around the machine, and sound the horn before starting the machine. • Set the forward-reverse lever in the neutral position, and keep the parking brake being applied when starting the machine. 1) Set the engine speed changeover switch in a position slightly higher than LOW. HIGH 2) Turn the starter switch to the ON position and check that the warning lamps and parking brake indicator lamp on the monitor display are on. -
Page 39: After Starting The Engine
Restarting after fuel has run out When the fuel has run out, operate the manual pump and breather attached to the main fuel filter for sufficient air-bleeding. Then repeat the cycle of 25-second cranking and 1-minute pause. Air bleeding of main fuel filter Breather bolt 1 1) Loosen breather bolt ①... -
Page 40: Traveling
When starting, operate the horn after securing the safety around the machine. Clear away obstacles on the road. 1) Select the desired speed by the operation of speed shift switch. SW770 SW770HF 0 〜 6 km / h 0 〜 7 km / h （... - Page 41 3) Press down parking brake switch button to release the brake. Check that indicator lamp on the monitor display goes off. Released Applied 4) Move the F-R lever in the direction to travel, and the machine will begin traveling. CAUTION Avoid abrupt operation of the F-R lever.
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Page 42: Stopping / Parking
2.3.5 Stopping / Parking WARNING • Avoid abrupt braking. Try to leave enough time for braking. • Avoid parking on a grade. • If necessary to park on a grade, block the wheel to prevent unexpected moving down the grade. 1) Bring the F-R lever to the neutral position (N), and the Ⓕ machine will come to a halt. Forward CAUTION For normal braking, move the F-R lever back to Ⓝ... -
Page 43: Stopping The Engine
2.3.6 Stopping the engine 1) Gradually cool down the engine at low idling for about 5 minutes. IMPORTANT • Do not bring a hot engine to a sudden stop except for an emergency. This will shorten the life of its component parts. • Do not also allow an overheated engine to come to a sudden stop, but run it at middle idling speed for gradual cooling down. 2) Turn the starter key to the OFF position to stop the engine. CAUTION While travelling, do not turn the starter switch OFF. -
Page 44: Check After Stopping The Engine
2.3.7 Check after stopping the engine 1) Perform the walk afround checks for oil and water leakage, abnormal signs around the drums. 2) Fill the fuel tank. 3) Remove waste paper if any from the engine compartment, as this will pose a possible fire hazard. - Page 45 : The vibration switch attached to the F-R lever permits ON and OFF. Press the switch for vibration. Press the switch again to stop vibration. Set the vibration switch attached to the panel in the “ ” or “ ” position before operating the vibration switch on the F-R lever.
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Page 46: Sprinkler
2.5 Sprinkler 1) Before sprinkling, check for the water level in the sprinkler tank with the sight level gauge. Add water as necessary. Level gauge IMPORTANT Use clean water wherever practicable. 2) Push sprinkler switches ⒶⒷ (PUMP Ⓐ and PUMP Ⓑ ) to activate the sprinkler pump for sprinkling. - Page 47 For intermittent spray, set the spray time in the following Ⓓ Ⓔ manner: Spray time is adjustable between 0~20 seconds with SPRAY Dial Ⓓ and so is pause time between 0~60 seconds with PAUSE Dial Ⓔ respectively as desired. Adjust it according to the job requirement. SPRAY PAUSE The sprinkler indicator lamp stays bright as long as the sprikling is being performed.
- Page 48 Ⓐ Ⓑ Air bleeder valve Ⓔ Sprinkler tank drain cap Ⓐ Air bleeder valve Ⓓ Ⓒ Sprinkler tank switching valve Ⓑ Sprinkler pipe drain valve Ⓕ Sprinkler pipe drain valve Ⓕ Ⓓ Ⓔ Sprinkler pump drain valve Ⓒ Ⓕ To drain water: 1) Turn sprinkler tank drain cap Ⓐ...
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Page 49: Precautions For Work
2.6 Precautions for Work 2.6.1 Compaction operation ■ Do not operate the vibrator on hard location • Do not work the vibrator on a hard surface such as concrete pavement, as this can cause the machine to jump and give abnormal shock load. Damage to shock isolators will result. ■ Change the direction of travel gently. • When changing the direction of travel during asphalt mix compaction, slowly shift the F-R lever. 2.6.2 When going downhill ■ Use the F-R lever. • Run slowly by the operation of the F-R lever even if the travel distance is short. -
Page 50: Applicable Jobs
2.7 Applicable Jobs The machines do avariety of jobs as listed below: Work • Asphalt road paving • Dust removal treatment for road • Road improvement • Embankment construction • Dam construction • Construction of forestry and farm roads • Foundation building • Construction of sidewalk, shoulder and gutter foundation Material to be compacted • Asphalt pavement • Soils • Crusher run • Slag • Cement concrete • Soft rock • Sands Layers to be compacted... -
Page 51: Loading And Unloading
2.9 Loading and Unloading WARNING • Use sturdy ramps with proper width, length and thickness which allow safe loading and unloading. • If the ramps deflect considerably under load, apply wooden blocks to reinforce them. • Loading should be conducted on a level and hard ground. Leave a sufficient distance between the machine and the shoulder. • To prevent slippage on the ramps, keep the drums free from mud, oils, etc. The ramps must also be free of grease, oil and ice. • Do not steer the machine on the ramps. If the machine is facing in the wrong direction, allow it to dismount from the ramps and correct the direction. For loading and unloading, use ramps or a proper loading stand. -
Page 52: Self-Propelling
2) Decide the correct direction of run and make the machine run forward to the ramps. 3) Draw the wire rope from the trailer winch and put its hook on the hooking point ① or ② of the roller. 4) Place the unloader valve located at the operator’s station to the UNLOAD position (See “Unloader valve”... -
Page 53: After Loading The Machine
2.10 After Loading the Machine When the machine has been located properly on the trailer, tie it down as follows: 1) Press the parking switch button to apply the parking brake. Place wooden blocks under the drums to prevent movement. 2) Fix the machine with ropes tied at the front and rear towing hook holes. -
Page 54: Battery
Use soft water for coolant. In freezing weather, add antifreeze to the coolant referring to the table below. Select the most suitable mix ratio according the lowest temperature in the job location. ( gal.) – 26°C –20°C –16°C –11°C –33°C Ambient temperature (–... -
Page 55: When The Cold Season Is Over
2.13 When the Cold Season is Over When winter is over and the warm season has come, proceed as follows: 1) Change oil and fuel with those for use in warm season referring to “Rating” on page 76. 2) If AF-PT antifreeze is in use, drain the coolant completely, wash clean inside the cooling system, and then fill with clean water (city water). -
Page 56: When The Battery Has Discharged
2.16 When the Battery Has Discharged WARNING • To check and handle the batteries, keep the engine stopped with the starter switch in the Disconnect with negative cable first OFF position. ① ② • The batteries give off explosive gases. Do not smoke close to the batteries. Keep flames and sparks away from the batteries. • The electrolyte is very corrosive and will harm your clothing or skin. If the electrolyte has come into contact with your clothing or skin, flush with sufficient amount of water. In case the electrolyte has gotten into your eyes, flush with water and get medical help. - Page 57 ■ Disconnection of booster cables 1) Disconnect the negative booster cable Ⓑ from the engine block earth. 2) Disconnect the negative booster cable Ⓑ from the Booster supply booster supply. Batteries of the machine 3 Disconnect the positive booster cable Ⓐ from the Disconnect from the engine booster supply.
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Page 58: Periodical Maintenance
General precautions: 1) Always use Sakai genuine parts for replacement. 2) Use lubricants recommended by Sakai. Avoid mixing different brand lubricants. 3) For hydraulic oil replenishment, changing, level checking, filter cleaning or replacement, oiling and greasing, use extreme care to prevent dust from entering. - Page 59 System or Periodical replacement Replacement Part name Remarks Mechanism maintenance part period Master cylinder Seals (rubber parts) 2 years Wheel cylinder Seals (rubber parts) 2 years 1.Brake system Brake hose 2 years Brake piping parts Air hose 2 years Operating parts Cable 4 years Orbitrol...
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Page 60: Lifting The Machine On A Hoist
3.1.1 Lifting the machine on a hoist WARNING • Get a qualified personnel to lift and lower the Steering lock bar machine on a hoist. • Use sturdy wire ropes. • Lock articulation by means of steering lock bar located at the center of machine. 1) Put wire ropes securely on the hook and lifting points as shown. 2) If wire ropes make contact with other parts of the machine, put pieces of cloth or wooden blocks at the contact points. -
Page 61: Walk-Around Checking
3.2 Walk-Around Checking For efficient operation, daily, before-operation checking is very important. Before starting, perform walk-around checking for loose bolts, nuts and signs of leakage in addition to items as shown below: Vibrating drum ・ Loose bolts ・ Condition of shockmounts Engine ・... -
Page 62: Periodical Maintenance Points
3.3 Periodical Maintenance Points – 58 –... - Page 63 Ref. Interval Item Service Lubricant Q’ty ⑬ Radiator Check coolant level, add as necessary Coolant ⑰ Engine oil pan Check oil level, add as necessary Engine oil Every 10 hours or daily Tilt pin Apply grease Grease Center pin Apply grease Grease ③...
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Page 64: Maintenance Procedure
3.4 Maintenance Procedure For servicing the engine, see the separate engine manual. (1) Every 10 hours or daily Sub-tank Radiator cap ⑬ Radiator Check to see coolant in sub-tank is up to level mark and replenish with water.Use soft water only. CAUTION • With radiator cap removed, feed water nearly up to filler port, then replenish the sub-tank as well. • If level is below LOW mark, remove sub-tank cover and replenish with fresh water up toFULL mark. WARNING Do not remove the radiator cap while the coolant is hot. ⑰ Engine oil level Oil level gauge Shut down the engine and check the engine oil level. -
Page 65: Every 50 Hours
Tilt pin Grease lubricate two locations. Center pin Grease lubricate two locations (2) Every 50 hours ③ Hydraulic oil tank Check the oil level with the sight glass on the side of tank. The level is proper if it is between H and L marks. If necessary, add the hydraulic oil from the fill port. -
Page 66: Every 250 Hours
⑨ Battery Hydrometer 1) Check the color of the hydrometer attached to the battery top to charge or replace the battery. Green … Good Black … Discharged too much White … Checking required 2) Retighten any loose terminal. Apply grease or vaseline to the terminals to retard rusting (3) Every 250 hours ⑧ Sprinkler pipe, nozzle... - Page 67 ⑩ Engine oil filter ⑫ Engine oil pan See the separate engine manual. 1) After completion of operation and while the oil is warm, drain the oil with the drain plug removed. Drain plug WARNING Level gauge When draining a hot oil, use care not to get burned. Engine oil fill hole 2) Refit the drain plug and fill the crankcase with the engine oil from the fill hole on the cylinder head cover.
- Page 68 ⑪ Fan belt Looseness, tension, and damage to fan belt Check the fan belt for wear and damage. If the fan belt has been worn or damaged, replace it with a new one. If the fan belt has not been worn or damaged, check the tension of the fan belt according to the following procedure.
- Page 69 Vibrator Fill hole plug Check for the oil level and leakage. Drain plug Level plug – 65 –...
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Page 70: Every 500 Hours
(4) Every 500 hours ④ Line filter Turn the filter elements counterclockwise and replace a new one. ⑥ Fuel filter See the separate engine manual. Remove the cover under the dashboard, and replace the element with a new one. Drain plug Drain plug ⑱ Control links Remove the cover under the dashboard. Check the bolts and nuts for looseness. - Page 71 ⑳ Brake 5 Hose 6 Bolts×2 1 Hose Traveling motor disassembling procedure • Traveling motor part No.4217-26000-1 • Before disassembly, carefully clean the circumference so that foreign matter will not enter the traveling motor. 3 Hose 1) Hydraulic hose 2 Hose 4 Hose Separate hydraulic hoses ①...
- Page 72 3) Removal of brake disc (1) Remove snap ring ⑦ , and remove spring retainer plate ⑧ . (2) Remove spring ⑨ , and remove brake piston ⑩ . • Spring: 11 pcs • When the brake piston is difficult to remove, force-feed air from the brake port. (Attach hydraulic hose ⑤...
- Page 73 (2) Install spring ⑨ as shown in the figure. • Spring: 15 pcs (3) Install spring retainer plate ⑧ . ⑨ S prings × 15 ⑩ B rake piston 3) Installation of snap ring ⑦ Snap ring (1) Push in spring retainer plate ⑧ with a jig until the snap ring installation groove is seen.
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Page 74: Every 1000 Hours
5) Hydraulic hose Attach hydraulic hoses ⑤ , ④ , ③ , ② , and ① to the motor. 6) Supply of gear oil and hydraulic oil (1) Feed gear oil to the traveling motor up to the specified level. • Refer to "... - Page 75 Vibrator 1) Rotate the drum till the drain plug comes to bottom. 2) Remove the drain , level and fill hole plugs. 3) Drain the vibrator oil. 4) Wash clean the removed plugs, and refit the drain plug. 5) Fill oil through the fill port till it overflows from the fill port. 6) Refit the level plug and fill port plug.
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Page 76: As Required
(6) As required Filler cap ⑦ Sprinkler tank 1) Remove the drain cap under the sprinkling tank located at the machine front/rear and discharge dust and deposit in the tank. 2) Remove the filler cap and clean the interior of the tank. 3) When the necessary work is complete, refit the drain cap and filler cap. - Page 77 ⑮ Scraper When the blade is worn, adjust the scraper properly. See page 30 for adjustment. If the clearance is beyond the adjustable range, change the blade. WARNING Use care not to get your fingers caught between the scraper blade and drum. ⑯ Air cleaner Dust indicator Clip When the red float of the dust indicator reaches the service level (a mark on the indicator), clean the element as described below: 1) Remove the clip and pull out the element.
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Page 78: Consumable Parts
Proper replacement of consumable parts will improve the overall life of the machine, resulting in cost-effective operations. Use genuine SAKAI parts as replacement parts. The part numbers are subject to change due to the improvements to the parts. When... - Page 79 – 75 –...
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Page 80: Feeding Water And Lubricants
4) When replacing oil, drain it completely and clean the container with flushing oil before filling new oil. 5) When fueling SAKAI machines, be sure to use the fuel that we specify or recommend. Nonconformance resulting from use of fuel and lube oil other than those specified or recommended by our company is not covered by our warranty and repair service. - Page 81 ( 4 ) Recommended lubricants Lubricant Engine oil Gear oil Hydraulic oil Grease API CD API GL 4 VG 45 (NLGI -- 2) company RPM DELO Universal Rando Oil Martifack CALTEX 300 oil Thuban 90 HD 46 EP 2 BP Vanellus BP Gear Oil BP Energol BP Energrease...
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Page 82: Electric Wiring Diagram
3.7 Electric Wiring Diagram SW770 – 78 –... - Page 83 SW770HF – 79 –...
- Page 84 Fuse box The fuse box houses one 1A-, 3A- and 10A-, three 15A-, Fuse box two 20A-, one 25A-, and 30A- fuses lined up with spares one for 1A-, 3A-, 15A- and 20A- fuses. Use fuses of correct capacity. See page 29. NOTE: When a fuse is burned, determine the cause befor replacing.
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Page 85: Specifications
4. SPECIFICATIONS SW770 1800 1800 3600 1700 4950 1700 Model SW770 Vibrating power: Frequency 50 Hz Weight: Gross weight 10,600 kg (23,370 lbs) Centrifugal force Hight Empty weight 9,600 kg (21,160 lbs) 68 kN 132 kN ｛15,285 lbs｝ ｛29,675 lbs｝ Dimension: Overall length 4,950 mm (195”) - Page 86 SW770HF 1800 1800 3600 1700 4950 1700 Model SW770HF Vibrating power: Hight Frequency 42 Hz 42 Hz Weight: 50 Hz 50 Hz Gross weight 10,600 kg (23,370 lbs) 67 Hz Empty weight 9,600 kg (21,160 lbs) 47 kN ｛10,565 lbs｝ 93 kN ｛20,905 lbs｝ Centrifugal force Dimension: 68 kNN ｛15,285 lbs｝...
- Page 87 SAKAI HEAVY INDUSTRIES, LTD. Head Office: 1-4-8, Shiba Daimon, Minato-ku, Tokyo, Japan Telephone: Tokyo (03) 3431-9971 Facsimile: (03) 3436-6212 Printed in Japan 2008. 12. P ① ⓒ...