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Mackworth SA400, Service Manual

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Mackworth SA400 Service Manual Download Page 7

 

995565 – Revision A 

 

Page 7 of 38 

 

5.0 – Tools, Equipment and Lubricants Required for 
Servicing 

 

When carrying out work on the Mackworth SA400 Stand Aid you will require the following: 

Tools Required 

3mm Allen Key 
4mm Allen Key x2 
5mm Allen Key x2 
6mm Allen Key x2 
8mm Allen Key 
17mm Spanner x2 
17mm Ratchet Spanner 
Flat Head Screwdriver 
Circlip Pliers 
Pocket Knife 

Equipment Required 

Marker Pen 
Cloth 
Lint Free Cloth 
Test Weights – 180kg (400lb) 
Weight Trolley 
Lifting Straps x2 (Attach weight to Carry Bar) 
 
Sundries Required 
 
Loctite 243 
New tech lubes ltd Silicone Grease – FS SILL-Tech (or equivalent) 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

Summary of Contents for SA400

Page 1: ...Doc No 995565 Revision of document A Rev Date 26 04 2021 SA400 Stand Aid Service Manual...

Page 2: ...ton not working 12 8 7 Stand Aid Leg Actuator is not responding 13 8 8 Stand Aid has Power but does not respond to Handset commands 13 8 9 Stand Aid doesn t respond to the correct Handset commands 14...

Page 3: ...end user 2 0 Safety Precautions Read and understand this manual in its entirety before servicing the Mackworth SA400 Stand Aid Mackworth authorised personnel must complete the Full and Interim service...

Page 4: ...h service See User Manual for cleaning details Check all main nuts and bolts to see if they are loose if so tighten accordingly Check all pivot points for wear Ensure all Hand Knobs are functioning as...

Page 5: ...tions correctly Foot Tray Ensure the Foot Grips are still applied and undamaged Inspect the Foot Tray for any permanent deformation or fatigue Ensure no cracks are present and the Foot Tray is attache...

Page 6: ...he Upper Assembly using lift straps 8 Raise the Weight 2 3 the lifting range Be vigilant for unusual noises while raising the weight 9 Deactivate the brakes and close the legs using the handset 10 Dri...

Page 7: ...m Allen Key 4mm Allen Key x2 5mm Allen Key x2 6mm Allen Key x2 8mm Allen Key 17mm Spanner x2 17mm Ratchet Spanner Flat Head Screwdriver Circlip Pliers Pocket Knife Equipment Required Marker Pen Cloth...

Page 8: ...laws for disposal within the community the device is being used within If there is any uncertainty of the below guidelines contact your local authorities to determine the proper method of disposal of...

Page 9: ...Assembly 107903 RH Leg Assembly 107260 Foot Tray Assembly 107915 Lift Actuator Kit 107308 Knee Pad Assembly 107901 Front Castor Kit Pair 107902 Rear Castor Kit Pair 107213 Mackworth SA400 Base Assemb...

Page 10: ...tivated 2 Check the Handset is correctly connected to the correct control box port 3 Check the Handset lead is not damaged e g cuts and breaks 4 Check to see if the battery is out of charge and requir...

Page 11: ...t 4 Connect the Battery correctly to the Control Box as shown in section 9 2 4 5 Replace the Battery see section 9 1 6 Replace the Control Box see section 9 3 7 See section 9 2 4 on Charger Lead repla...

Page 12: ...ift Actuator replacement 2 See section 9 3 for guidance on Control Box replacement 8 5 Stand Aid is functioning but LCD and or LED is inactive Attempt to raise lower the Stand Aid with the handset the...

Page 13: ...Replace the Handset See section 9 2 1 for Handset commissioning 6 See section 9 8 for guidance on Leg Actuator replacement 7 See section 9 3 for guidance on Control Box replacement 8 8 Stand Aid has...

Page 14: ...ide 1 Check the Lift Actuator and Leg Actuator power cables are connected to the correct port in the Control Box Action Guide 1 Re route the power cables to the correct ports in the Control Box See se...

Page 15: ...0 NOTE Before carrying out any work on a Mackworth SA400 Stand Aid remember to remove the charger lead and remove any external power source Prior to any servicing the Emergency Stop Button on the Cont...

Page 16: ...ll explain the correct procedure on removing refitting the Cables for servicing procedures or replacement 9 2 1 Cables Handset Removal Step 1 Remove the Handset connecter from the Control Box by pulli...

Page 17: ...ove the Jack End of the Cable which ports the Control Box by pulling downward This is the middle Control Box Port as shown in the image Step 2 Release the cable from the Actuator by turning the lock m...

Page 18: ...the actuator port 9 2 3 Cable Leg Actuator Removal Step 1 Remove the Jack End of the Cable which ports the Control Box by pulling downward This is the port on the right hand side of the Control Box a...

Page 19: ...Step 1 Where Applicable turn the charger off at the wall plug and remove Step 2 Detach the Charger lead from the snap lead by pulling them apart as shown Step 3 Detach the snap Lead from its latch cir...

Page 20: ...p 2 Remove all the Cabling leads from the Control Box Refer to section 9 2 Step 3 Use a 3mm Allen Key to remove the Screw fixing the Control Box to the Bracket Step 4 Lift the Control Box from its pos...

Page 21: ...procedures or replacement Removal Step 1 Remove the Battery refer to section 9 1 Step 2 Remove the Cables Leads from the Control Box refer to section 9 2 Step 3 Remove the Control Box refer to section...

Page 22: ...See section 9 2 2 Step 2 Using two 4mm Allen Keys remove one of the screws and washer from the pin at the Top Actuator fixing point Step 3 Pull the Pin out from the top fixing to release the top end o...

Page 23: ...efitting is a reversal of the removal process noting the following point A Ensure the Actuator is fitted in the correct orientation With the LIANK Specification label facing towards the Mast B Ensure...

Page 24: ...e the Lift Actuator Cable See section 9 2 2 Step 2 Remove the Lift Actuator See section 9 5 Step 3 Using two 6mm Allen Keys remove one of the Bolts securing the Upper Assembly to the Frame Step 4 Usin...

Page 25: ...g point A Ensure the threaded boss is placed within the Upper Assembly when fitting B Ensure Loctite 243 is applied to both bolts when fixing the Upper Assembly C When fitting the Upper Assembly ensur...

Page 26: ...our Bolts circled in the image below using a 6mm Allen Key Step 4 The Leg Rods can be removed from the product Refitting Replacement Step 5 Refitting is a reversal of the removal process noting the fo...

Page 27: ...on its side for easier service Step 3 Remove the Leg Rod Assembly from the Base Refer to section 9 7 Step 4 Remove the Bolt attaching the Leg Actuator to the Base Pivot Point using a 17mm Spanner and...

Page 28: ...asher shown Step 8 To remove the Pivot Plate and Actuator unscrew the bolt as shown and grab the Spacer Refitting Replacement Step 9 Refitting is a reversal of the removal process noting the following...

Page 29: ...ling the Front Castor for servicing procedures or replacement Removal Step 1 Remove the Foot Tray from the Base Refer to section 9 12 Step 2 Place the Stand Aid in its side for easier service Gently r...

Page 30: ...and Aid in its side for easier service Gently rest the Stand Aid on its side to avoid damage such as paint scratching Step 3 To release the Rear Castor place a 6mm Allen Key into the bolt and remove t...

Page 31: ...to avoid damage such as paint scratching Step 3 Remove the Leg Rod Assembly Refer to section 9 7 Step 4 Remove the Front Castors Refer to section 9 9 Step 5 Using two 5mm Allen Keys remove one of the...

Page 32: ...the Foot Tray for servicing procedures or replacement Removal Step 1 Foot Tray is attached to the Base by the Pins circled in the image below Where applicable use circlip pliers to remove the retainin...

Page 33: ...anners remove a nut from either side of the Knee Pad Attachment Bar Ensure to grab the Nylon Washer circled Step 2 Slide the Threaded Bar through the Inner Knee Pad Pivot Assembly to remove the Knee P...

Page 34: ...the Bolt Step 6 Remove the Outer Knee Pad Pivot Assembly Take note which hole position the second plunger was aligned with Refitting Replacement Step 7 Refitting is a reversal of the removal process n...

Page 35: ...sers preferred hole position shown below D When reattaching the Knee Pad to the Threaded Bar ensure the Washers are fitted in the correct positions Nut washer nylon washer Knee Pad nylon washer Inner...

Page 36: ...lly off the Base to remove Step 4 Remove the Foot Tray from the Base See section 9 12 Step 5 Place the Base on its side for easier service Step 6 Remove the Rear Castors See section 9 10 Step 7 Remove...

Page 37: ...ol Box See section 9 2 Step 3 Remove the Control Box from the Mast See section 9 3 Step 4 Remove the Attachment Bracket from the Mast See section 9 4 Step 5 Remove the Lift Actuator from the Stand Aid...

Page 38: ...ntained in this assembly and installation manual no liability can be accepted by Mackworth for any errors or omissions Mackworth operates a policy of continuous improvement Specifications and other da...

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