DURAPAC – 035 Series Auto 2 Speed Power Units are engineered to meet Industrial Standards for Performance and Safety. The SPES3502AR model delivers 2.0 Lpm up to 10 bar and 0.2 Lpm up to 700 bar pressure on single acting cylinders and tools. The power unit has an internal ‘pop off’ valve to indicate full pressure and remote pendant to actuate Advance/Retract functions.
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Hydraulic equipment must only be serviced by a qualified hydraulic technician. For repair service, contact the Durapac authorised service centre in your area. To protect your warranty, use only high quality hydraulic oil CAUTION: ...
4.1 Familiarise yourself with the specifications and illustrations in this owner’s manual. Know your power unit, its limitations and how it operates before attempting to use. Refer to the specification chart below or if in doubt, contact a Durapac representative. Maximum...
/ does not work 5.1 Before Using the Power Unit 5.1.1 Check all system fittings and connections to be sure they are tight and leak free. 5.1.2 Check oil level in reservoir. SPES3502AR Electric PU - V1.0 www.durapac.com Page 5 of 12...
Durapac authorised service centre Damage to hydraulic hoses may not be detected during visual inspections. For this reason, Durapac recommends that hydraulic hoses be replaced on a regular basis Tighten connections as needed. Use non-hardening pipe thread compound when servicing connections Dirt, sand, etc.
For best results, change fluid once a year or every 300 hours of use 6.3.1 Repeat Steps 6.1.1 to 6.1.2 (above). 6.3.2 Pour used fluid into a sealable container. 6.3.3 Repeat Steps 6.1.3 to 6.1.5 (above). SPES3502AR Electric PU - V1.0 www.durapac.com Page 7 of 12...
Wipe clean thoroughly and store in a clean, dry environment. Avoid temperature extremes. 6.5.3 For transportation or long storage, replace the air vent plug with shipping plug. 6.5.4 Shield power unit with a protective cover. SPES3502AR Electric PU - V1.0 www.durapac.com Page 8 of 12...
Repair or replace as necessary Poor performance Fluid level in power unit is low Secure load by other means Depressurise power unit and hose, remove application, then fill and bleed the system SPES3502AR Electric PU - V1.0 www.durapac.com Page 9 of 12...
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Contact a Durapac authorised service centre for repair Power unit reservoir too full Secure load by other means Depressurise power unit and hose, remove application, then drain fluid to proper level SPES3502AR Electric PU - V1.0 www.durapac.com Page 10 of 12...
8.1 High Level Description of Parts Item Description Handle Electric motor Carbon brush Tank cover Relief valve Power cable Operation cord Oil plug Delivery port 3/8" NPTF 10 Pendant switch 2.4m SPES3502AR Electric PU - V1.0 www.durapac.com Page 11 of 12...
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Instruction Manual 9.0 Electric Schematic 10.0 Hydraulic Schematic SPES3502AR Electric PU - V1.0 www.durapac.com Page 12 of 12...
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