background image

 

 

Instruction Manual 

DPA-38D Air Hyd. Power Unit - V1.0 

www.durapac.com 

Page 8 of 10 

 

7.0

 

Troubleshooting 

Problem 

Cause 

Solution 

Application does not 
extend, move or respond to 
pressurised fluid 

Overload condition 

 

Remedy overload condition 

Loose couplers 

 

Tighten couplers 

Faulty couplers 

 

Replace couplers 

Malfunctioning power unit 

 

Contact a Durapac authorised 
service centre  

 

Repair or replace as 
necessary 

Inadequate air supply 

 

Ensure air source can 
dedicate 7.8 cfm @ 4-12 
bar/60-175 psi 

Application responds to 
pressurised fluid, but 
system does not maintain 
pressure 

Overload condition 

 

Remedy overload condition 

Malfunctioning power unit or 
valve 

 

Contact a Durapac authorised 
service centre  

 

Repair or replace as 
necessary 

Leaking application/connection 

 

Replace 
application/connection 

Application responds 
slower than normal 

Loose connection or coupler 

 

Tighten connection or 
coupler 

Restricted hydraulic line or 
fitting 

 

Clean and replace if damaged 

Leaking application/connection 

 

Replace 
application/connection 

Application does not return 
fluid to power unit (i.e. 
cylinder will not retract) 

Malfunctioning coupler/ 
damaged application 

 

Secure load by other means 

 

Depressurise power unit and 
hose 

 

Remove coupler and/or 
application 

 

Repair or replace as 
necessary 

Application does not fully 
extend (cylinder or 
spreader) 

Overfilled reservoir 

 

Secure load by other means 

 

Depressurise power unit and 
hose 

 

Remove application 

 

Drain fluid to proper level 

Low fluid level in power unit 

 

Secure load by other means 

 

Depressurise power unit and 
hose 

 

Remove application 

 

Fill fluid to proper level 

Poor performance 

Low fluid level in power unit 

 

Ensure proper fluid level 

 

Содержание DPA-38D

Страница 1: ...2 186 Granite Street GEEBUNG QLD 4034 Australia sales absoluteequipment com au Phone 61 7 3865 4006 Fax 61 7 3102 6288 Maximum Operating Pressure 700 bar Instruction Manual Reciprocating Air Hydrauli...

Страница 2: ...ability for a particular application 2 0 Receiving Instructions It is recommended prior to use that an inspection be done by qualified personnel and that any missing or damaged parts decals warning sa...

Страница 3: ...ORTANT If at any stage the safety related decals become hard to read these must be replaced Minimum age of the operator must be 18 years The operator must have read and understood all instructions saf...

Страница 4: ...rp objects extreme heat or cold or heavy impact Do NOT allow the hose to kink twist curl crush cut or bend so tightly that the fluid flow within the hose is blocked or reduced Periodically inspect the...

Страница 5: ...ions to be sure they are tight and leak free 4 6 Check oil level in reservoir before operating power unit 5 0 Operation IMPORTANT Always monitor pressure load or position using suitable equipment Pres...

Страница 6: ...warranty and damage the power unit hose and application We recommend Durapac Hydraulic Oil or equivalent Equipment must only be serviced by a qualified hydraulic technician For repair service contact...

Страница 7: ...el than the power unit reservoir 6 2 3 Extend and retract the cylinder several times without putting a load on the system Air will be released into the power unit reservoir 6 2 4 Recheck oil level aft...

Страница 8: ...ng application connection Replace application connection Application responds slower than normal Loose connection or coupler Tighten connection or coupler Restricted hydraulic line or fitting Clean an...

Страница 9: ...Hyd Power Unit V1 0 www durapac com Page 9 of 10 Note Not all components of the power unit are replacement items but are illustrated as a convenient reference of location and position in the assembly...

Страница 10: ...86 3 56 Washer ZBN1063 1 19 Nut ZBN1036 2 57 Special washer ZBN1064 1 20 Screw ZBN1140 2 58 Pad B ZBN1012 1 21 Handle ZBN1141 1 59 Compressing spring ZBN1066 1 22 Pad A ZBN1142 1 60 Screw ZBN1067 1 23...

Отзывы: