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Shanghai Yieson Machine Co., Ltd.
Shanghai Yieson Machine Co.,Ltd.
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Shanghai Yieson Machine Co., Ltd. Quality Info

Shanghai Yieson Machine Co., Ltd.

Chassis QC Checklist - Chassis and tanksChassis Number:
Suspension hanger bolts  x 8Check Nyloc nuts can be done up enough
Suspension hanger grease nipples x 6Check these are correctly tightened
 Lubricated with blue grease
Suspension hanger swing arm boltCheck these have cotter pin
Axle U bolts x 8Make sure these are straight and virticle (i.e. evenly tightened is important)
 Appy Lanotec for rust treatment
  
Axle U bolt flat washers x 8Fitted
Axle U bolt spring washers x 8Fitted
Tow coupling mounting bolts x 48.8 high tensile bolts
 galvanised
Tow coupling flat washers x 8 (top and bottom)8.8 high tensile flat washers
 galvanised
Tow coupling spring washers x 48.8 high tensile spring washers
 galvanised
Draw bar - mounting bolts x 68.8 high tensile bolts x 6
 galvanised
Draw bar - mounting washers x 68.8 high tensile flat washers
 galvanised
Draw bar - mounting spring washers x 68.8 high tensile spring washers
Draw bar -  spacer tubesPaint protection
Draw bar mount - nutsPaint protection
 High tensile
Handbrakeadjust to work in first three clicks please
Handbrake adjusterMake sure this is not bent 
  
Brake cable brackets on drawbarBrackets welded straight
 Bracket welds have Lanotec rust treatmant
Brake cableFront threaded tubes are adjusted fully forward
 Rubber dust boots correctly mounted
 Not rubbing on road wheels
Brake cable brackets on chassisCorrectly positioned
 Lanotech rust protection
Brake cable actuatorsThreaded tube mounted forward
 2 x nuts and 2 x flat washers correctly fitted and tight
 8mm cap screw and nyloc nut installed
 Threaded cable end must not rub on brake lever
 Minimum 10mm free cable 
Stabiliser legsInstalled straight please
 Leg not bent
 Handle not bent
 Winder working correctly
 Welds have paint protection and Lanotech lubrication
Chassis corners cut at 25mmChecked
Front cross member ends capped and weldedChecked
Water tankHeight and position is correct
 Padding is installed on top of tank
 Filler is on correct side
Fuel tankHeight and position is correct
 Padding is installed on top of tank
 Filler is on correct side
 Sender wiring is accessible
Water tank mounting bolts x 8Galvanised
Water tank mounting washers x 8Galvanised
Water tank mounting nutsNyloc nuts
Safety chains x 215 links
 Marked with "AS4177-25" every 3rd link
 Located correctly
 Welds have paint protection with Lanotech
Jockey wheelCut bolt ends have paint protection with Lanotec
 Dust cap installed
Trailer lighting cableAustralian colour cable
 14 x 0.32 conductor 10A conductors
Electric brake power cableInstalled and correctly terminated to brakes
 Installed in black conduit
 Steel conduits are correct length
Road wheelsCorrect rims (standard/sports)
 Correct rim and tyre size for model
 Matching tyres
 Bearing dust caps x 4
WeldsEven and clean
 Paint protection with Lanotec
  
Mechanical brake/single axle designs 
Tow coupling grease nipples x 2Lubricated with blue grease
Suspension grease nipples x 4Lubricated with blue grease
 Correctly tightened
Brake caliper guide boltsLubricated with white grease
FINAL SIGNOFF 

Company Certifications

Standard:CE
Number: WM120703/SYM762
Issued By:ENTE CERTIFICAZIONE MACCHINE
Standard:ISO9001
Number: 00914Q11856RIS
Issued By:CHINA GREAT WALL QUALITY ASSURANCE CENTRE
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