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GTBZ26&28J Service Manual

Service Manual

GTBZ26&GTBZ28J

The

third

edition: December 2019

Summary of Contents for GTBZ26

Page 1: ...GTBZ26 28J Service Manual Service Manual GTBZ26 GTBZ28J Copyright by Hunan Sinoboom Intelligent Equipment Co Ltd The third edition December 2019...

Page 2: ...5 Repair guidance for pin roll and composite bearing 18 2 6 Welding on Sinoboom equipment 18 Chapter 3 Underframe and Turntable 23 3 1 Tires and Rims 23 3 2 Removal of Drive Motor 24 3 3 Removal of R...

Page 3: ...cn Service Tel 400 608 1289 0731 87116333 Fax 0086 0731 87116516 16 Address No 128 East Jinzhou Avenue Ningxiang High tech Industrial Park Changsha Hunan China Zip code 410600 Trainslation Version Hu...

Page 4: ...nsured when a part of the equipment is lifted As the machine manufacturer cannot directly control site inspection and maintenance process safety of the maintenance site shall be under the responsibili...

Page 5: ...n under it Before adjustment lubricate or maintain other parts and turn off all power switches Batteries shall be removed before replacement of electronic elements Make sure all supporting equipment a...

Page 6: ...Specification Type Water cooling Number of cylinders 4 Cylinder diameter 94mm 3 7in Stroke 100mm 3 9in Total displacement 2 8L 0 74gal Compression ratio 16 7 Ignition sequence 1 2 4 3 Output power 54K...

Page 7: ...0 41m 1 ft 4 in Wheelbase 3m 9 ft 10 in Control voltage 12V Total weight GTBZ26 2WD GTBZ26 4WD GTBZ28J 2WD GTBZ28J 4WD 16442kg 36248lb 2WD 16532kg 36447lb 4WD 16581kg 36555lb 2WD 16671kg 36753lb 4WD 1...

Page 8: ...Requirements Name Torque Value Time Interval Wheel bolt 800Nm 50 600 Rotary support bolt 580Nm 50 600 Balance weight bolt 730Nm Decided according to situations Engine bolt 120Nm Decided according to...

Page 9: ...3 lithium grease Interval every 3 months or 150 hours of operation 3 Slewing reducer Lubrication point Fuel Feeding Plug Capacity 2L Lubricant industrial gear oil 90 Interval Check the oil level ever...

Page 10: ...and later after every 300 hours 7 Hydraulic oil Lubrication point filler cap Capacity 170L 45gal Lubricant hydraulic oil Interval check oil level after the boom is lowered every day Later replace oil...

Page 11: ...lter Cummins Maintenance point replaceable element Interval replace every 500 hours or 6 months of operation whichever comes first 11 Oil water separator Cummins Maintenance point replaceable element...

Page 12: ...esel Filter Deutz Maintenance point replaceable element Interval replace every 500 hours or 6 months of operation whichever comes first 15 Diesel Prefilter Deutz Maintenance point replaceable element...

Page 13: ...220 310 390 330 460 18 Coarse thread 2 5 360 300 420 510 420 590 Fine thread 1 5 400 330 470 570 480 670 20 Coarse thread 2 5 500 420 590 720 600 840 Fine thread 2 530 440 620 760 630 880 1 5 560 470...

Page 14: ...240 200 280 350 290 400 18 Coarse thread 2 5 310 260 370 450 370 520 Fine thread 1 5 350 300 410 500 420 590 20 Coarse thread 2 5 450 370 520 630 530 740 Fine thread 2 470 390 550 670 560 780 1 5 500...

Page 15: ...lified SINOBOOM equipment engineers SINOBOOM equipment engineers recognized by SINOBOOM shall have universally accredited education background certificate and rich knowledge and experience accept rele...

Page 16: ...to Hunan SINOBOOM during each annual inspection of the machine Preventive Maintenance SINOBOOM equipment engineers shall perform preventive maintenance as required SINOBOOM equipment engineers recogni...

Page 17: ...ssists you in using and applying repair and maintenance procedures contained in the instruction Safety and Operation Standard Safety of yourself and others shall be the first consideration during equi...

Page 18: ...ball or roller 3 If the bearing is repairable it shall be wrapped with clean paper or wax paper after application of a layer of oil Please do not unpack reusable bearing or new bearing before installa...

Page 19: ...proper use of hydraulic oil entry of moisture lubricating grease metal chip sealing element and sand during maintenance or failure of preheating of the system or leakage of water inlet pipe of water p...

Page 20: ...by the part manufacturer shall be always the optimal selection However multi function grease generally boasts the characteristics up to requirements of single function grease Regarding use of grease t...

Page 21: ...oesn t require lubrication c During installation and operation the pin roll shall be checked to ensure it is free from burr breach or bruise which may damage the bearing 2 6 Welding on Sinoboom equipm...

Page 22: ...aring 1 2 1 2 Wear pad 1 2 1 2 Outer cover or protective plate 1 2 1 2 Telescopic power chain system 1 2 3 1 2 3 Platform assembly 9 Platform 1 2 1 2 Handrail 1 2 1 1 2 Door 5 1 1 5 Floor 1 2 1 1 2 Ro...

Page 23: ...ower system 9 Engine speed 3 3 Engine oil coolant and fuel 11 9 11 11 11 Air diesel filter 1 7 7 7 Exhaust system 1 9 9 9 Battery 5 1 9 19 Battery electrolyte 11 11 11 Battery charger 5 5 Diesel tank...

Page 24: ...he frame 22 Footnotes 1 Before every day use or every time change of operator 2 Before every time selling renting or delivery 3 After use for 3 months or 150 hours or put aside for more than 3 months...

Page 25: ...roperly expanded and installed onto the rim 18 Properly permitted part 19 Fully charged 20 Free from loose connection correction or wear 21 Check 22 Implement 23 Correctly seal 24 Discharge clean and...

Page 26: ...s use of tires of the same size ply rating and brand as the original tires to replace the original tires Please refer to SINOBOOM parts catalogue for part no of certified tires for specific machine mo...

Page 27: ...Table 3 1 Table of Tire Nut Torque Torque Increasing Sequence First Step Second Step Third Step 300Nm 600Nm 800 Nm 4 Tire nuts shall be tightened before first time road running and after every time r...

Page 28: ...oil upon finish of installation 7 Clean the mounting surface lift the motor and adjust the reducer position motor spline shaft engages with reducer inner teeth slowly rotate the motor housing keep the...

Page 29: ...GTBZ26 28J Maintenance Manual 26 Figure 3 3 Reducer Breakdown Drawing...

Page 30: ...125716 Elastic circlips for shaft 1 16 79912270 Brake housing 1 17 79916013 Planetary wheel 4 18 18121013 Cylindrical roller bearing 4 19 18125710 Elastic circlips for shaft 4 20 18125303 Floating oil...

Page 31: ...nism 1 Shaft 2 Spring washer 3 Bolt 4 Stop pin 5 Telescopic oil cylinder 6 Shaft 7 Bearing 8 Connector I 9 Shaft 10 Nut 11 Bearing 12 Retainer ring 13 Connecting rod 14 Connector II 15 Nut Removal The...

Page 32: ...oating oil cylinders allow the front outriggers to be balanced when the main boom is located at the transportation position and performing driving operation When no drive command is sent or the main b...

Page 33: ...he left front wheel is on top of the sleeper Operate the rotating platform slowly and rotate it rightward for 90 Press the rear test button Control the machine to go backward till drive it away from t...

Page 34: ...bber hose and joint on the brake of the rotary reducer 5 and seal up all openings to prevent entry of dust into the hydraulic system 2 Loose bolts and spring washers of the installation valve and remo...

Page 35: ...for replacement The bolts shall be applied with Loctite 272 thread locker to their threads and tightened with specified torque After replacement and tightening of bolts it is necessary to recheck fas...

Page 36: ...t and hardened washer at the position illustrated in Figure 3 10 according to the arrow illustrated direction Figure 3 9 Boom Position Drawing 1 Figure 3 10 Boom Position Drawing 2 Main boom full luff...

Page 37: ...otary support Make sure the turntable the rotary support or the part installed on the frame is not damaged Note the entire turntable assembly is around 8000kg 8 Carefully put the turntable on a bracke...

Page 38: ...nto mounting surface of the rotary support and make sure the line on the rotary support inner race aligns with that on the turntable 7 Use high strength washers matching the high strength bolts make t...

Page 39: ...Assembly 1 Directly take out dust cover 1 O ring 2 and spline housing 3 2 Pour out brake oil 3 Put the assembly on the working table keep the output shaft downward and remove 12 bolts 4 on the brake a...

Page 40: ...m the first stage planet carrier 5 2 Separate bearing 2 from first stage planet gear 3 3 Remove retainer ring for shaft 4 and separate first stage planet carrier 5 and second stage sun gear 6 Figure 3...

Page 41: ...nner hole of motor seat 4 9 Install the vent plug 1 into air plug hole of the motor seat 4 10 Install plug screw 17 and compound gasket 18 into side hole of brake housing 19 Figure 3 19 Installation o...

Page 42: ...ainer ring for shaft into the groove of first stage planet carrier 5 Figure 3 21 Installation of First Stage Planet Gear Set Assembly 1 Standard retainer ring for shaft 2 Bearing 3 First stage planet...

Page 43: ...e gerotor motor 2 with four bolts 6 and washers 5 and exert some torque to the four bolts 6 Note pay attention to make the inner hole of the buffer valve 3 align with the motor opening 3 Tighten the j...

Page 44: ...s 80 2 Make sure machine and engine are horizontal 3 Switch off engine 4 Put the oil pan under the engine 5 Open the oil drain plug Avoid scald during discharge of hot oil Do not let oil directly pene...

Page 45: ...lect the leaking oil 4 Wipe dust on seal surfaces of the filter bracket 5 Apply a layer of diesel to the rubber washer of the new filter element 6 Manually tighten screws on the new filter till the wa...

Page 46: ...t time availability of active or enabled controller When the foot switch is stepped on the controller is started and the operator can perform any operation on the controller within 7 seconds If the op...

Page 47: ...n fixing bolts stop pins and axis pins that connect the boom leveling oil cylinder with the support arm 8 Lift the boom away from the turntable with lifting equipment 9 Put the boom on a proper suppor...

Page 48: ...mbly from the boom and put it on a proper support 5 Remove axis pins as illustrated by No 3 and No 4 from the jib boom assembly and separate the leveling connector from the jib boom assembly 6 Remove...

Page 49: ...arm and the second telescopic arm from the tail of the basic arm and pay attention not to twine or knot the retracting wirerope 8 Place the first telescopic arm and the second telescopic arm on a pro...

Page 50: ...47...

Page 51: ...y Instructions in SINOBOOM Operation Manual and Service Manual 3 To clear the fragments first try to blow from the closest vent of the boom with compressed air Please operate the equipment after confi...

Page 52: ...e has 3 damaged wireropes with one broken and any other broken at the end clamps Wirerope Tensioning Operation Steps With the boom fully retracted remove all covers and visually check thread fixing de...

Page 53: ...tract the boom assembly and check whether the dimension of exposed boom part complies with the tolerance requirement in Figure 4 1 Wirerope Tensioning Drawing 8 Reinstall the locknuts onto fixing devi...

Page 54: ...5 Wirerope Break Detection Proximity Switch The system uses proximity switch to check whether displacement of the wirerope group exceeds the standard so as to judge whether the wireropes are under goo...

Page 55: ...52...

Page 56: ...matic 2 Wheel Drive Oil cooler Generator Slewing Luffing Telescopic Working fence leveling Steering Center rotation Drive Valve Block Left rear wheel Right rear wheel Center rotation Center rotation D...

Page 57: ...e Oil cooler Generator Slewing Luffing Bidirectional balance valve Center rotation Steering Working fence leveling Telescopic Center rotation Center rotation Dual speed brake floating valve block Plat...

Page 58: ...hm Power Supply Power Supply Power Supply Power Supply Power supply Power supply Power supply Power supply Power supply Power supply Brown Blue Brown Blue Black Black White Red Black Black Blue Brown...

Page 59: ...vice Manual 56 Figure 6 2 Electrical Schematic of Platform 120 ohm J2 blue Power supply Power supply J1 black Brown Blue Red Blue Yellow Black Red Purple Brown Purple Yellow Black Red Purple Blue Brow...

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