
Table of Contents Rev. 11/27/2018 MPU-AC GEN2, MANUAL
Table of Contents Copyright 2018 Vestil Manufacturing Co. Page 1of 23
MPU-AC GEN2 AC-Powered Modular Power Unit
Instruction Manual
Receiving instructions:
After delivery, remove the packaging from the product. Inspect the product closely to determine whether
it sustained damage during transport. If damage is discovered, record a complete description of it on the
bill of lading. If the product is undamaged, discard the packaging.
NOTE:
The end-user is solely responsible for confirming that product design, use, and maintenance comply with
laws, regulations, codes, and mandatory standards applied where the product is used.
Replacement Parts and Technical Assistance:
For answers to questions not addressed in these instructions and to order replacement parts, labels,
and accessories, call our Technical Service and Parts Department at (260) 665-7586. The department can
also be contacted online at http://www.vestilmfg.com/parts_info.htm.
Vestil Manufacturing Corp.
2999 North Wayne Street, P.O. Box 507, Angola, IN 46703
Telephone: (260) 665-7586 -or-Toll Free (800) 348-0868
Fax: (260) 665-1339
Table of Contents
Signal Words….…………………………………………………………………………………………………………………………....2
Hazards of Improper Use…..………………………..…………………………………..………………………………………..………2
NOTES……………………………………………………………….....…………...........................................................................3, 4
115V or 208-230V AC, Single Phase, 2-Pushbuttons Power Unit Assembly Exploded View and Bill of Materials…………..5, 6
115V or 208-230V AC, Single Phase, No Pushbuttons Power Unit Assembly Exploded View and Bill of Materials…………7, 8
208-230V or 460V AC, Three Phase, 2-Pushbuttons Power Unit Assembly Exploded View and Bill of Materials……….…9, 10
208-230V or 460V AC, Three Phase, No Pushbuttons Power Unit Assembly Exploded View and Bill of Materials………11, 12
115V or 208-230V AC, Single Phase Power Unit Subassembly Exploded View and Bill of Materials……………………..……13
208-230V or 460V AC, 3-Phase Power Unit Subassembly Exploded View and Bill of Materials…………………………...……14
Detail View A: Single Phase, 115V or 208-230V AC, 0.75HP, 1725rpm Motor + Pump Subassembly ………………………..15
Detail View B: Single Phase, 115V or 208-230V AC, 2HP, 3450rpm Motor + Pump Subassembly………………………...…..15
Detail View C: 3-Phase, 208-230V or 460V AC, 2HP, 1725rpm Motor + Pump Subassembly...………………………………..16
Detail View D: 3-Phase, 208-230V or 460V AC, 2HP, 3450rpm Motor + Pump Subassembly…………………….…………… 16
Detail View E: Manifold Subassembly (Combines with 1 Motor + Pump Subassembly from Detail Views A-D)….……………17
Hydraulic Circuit Diagram……………………………………………………………………………………………………….….…….17
Power Unit Operation…………………….……………………………………………………………………………………………….18
Removing the Cover……………………………………………………………………………………………………………………....19
Cleaning the Lowering Solenoid Valve……………………………………………………………………………………………........19
Bleeding Air from Hydraulic System………………………………………………………………………………………………….....19
Written Record…………………………………………………………………………………………………………………………..…19
Inspections and Maintenance……………………………………………………………………......................................................20
Labeling Diagram……...…………………………………………………………………………………………………………….........20
Troubleshooting………………………………………………………………………….………………………………………......21 - 22
Limited Warranty…...……………………………………………………………………………………………………………………...23