MT8 Contents Component Identification Page Operation ................2 ID Plate Pump Assembly Specifications ................2 Oil Fill Cap Drive End Representative Drawings ............5 Relief Valve Safety Precautions ..............6 Installation ................7 Calibration ................8 Maintenance ................9 Fluid End Parts List ...............12 Hydraulic End Parts List ............14 Drive End Parts List ..............15 Gearbox and Baseplate Parts List ........17 Manual Adjust Gearbox Parts List ........18...
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MT8 Specifications (Cont’d) Performance Maximum Flow at Designated Pressure for Pumps with Electronic Gearbox Reducers - Imperial All Pumps (gph) Gearbox Pump Gear Motor Part Number Ratio 350 psi 500 psi 1500 psi 2500 psi 3500 psi 0.479 0.473 0.429 0.387 0.349 112-400...
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MT8 Specifications (Cont’d) Performance Maximum Flow at Designated Pressure for Pumps with Manual Variable Speed Gearbox Flow Rates in Gallons Per Hour (gph) All Pumps Metallic Pump Heads Only Manual Motor Dial 350 psi 500 psi 1500 psi 2500 psi 3500 psi Setting Flow Rate...
Safety Precautions General Remarks Hose Sizing and Routing To minimize acceleration head and frictional losses, size the These safety / installation instructions contain fundamental suction line at least one size larger than the pump inlet, and keep information and precautionary notes and must be kept available the suction line as short and direct as possible.
Consult the Factory in the following situations: Consult installation drawing below for typical metering fluid • Extreme temperature applications (above 160°F or below system components. Contact Wanner Engineering or the 40°F) distributor in your area for more details. • Ambient temperatures (above 110°F) •...
3. Temporarily install a priming pump to feed the MT8 until it primes. Different check valve materials Wanner Engineering has determined that the inability to prime is because the PTFE O-rings inside the check valve are not sealing. Contact factory for internal check valve O-rings in another material: FKM (Viton®) –...
MT8 Maintenance Periodically Change Oil Annually CAUTION: Do not turn the drive shaft while the oil reservoir Note: Minimum oil viscosity for proper hydraulic end is empty. lubrication is 16 -20 CST (80 -100 SSU). MT Series replacement parts kits (complete kits and diaphragm kits) CAUTION: Do not leave contaminated oil in the pump include suitable oil for each MT Series pump configuration.
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CAUTION: Disassembly of the hydraulic end of the pump should be performed only by a qualified technician. For assistance, contact Wanner Engineering (612-332-5681) or the distributor in your area. When flow rate is determined by motor speed, it is controlled using an inverter duty constant torque motor and VFD.
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MT8 Maintenance (Cont’d) 4. Fluid End Service 3. Diaphragm Installation CAUTION: If the bolts (6) that hold the manifold body (4) / (10)* in place are loosened or removed, a diaphragm kit will need to be ordered and installed because the diaphragms (18) will no longer seal properly and will need to be replaced.
MT8 Fluid End Parts List Metallic Pump Head Non-metallic Pump Head TORQUE TO 10 ± 2 FT/LBS NOTE: For non-metallic pump heads, when torquing bolts do not over tighten! Torque until no gap remains TORQUE TO 45 ± 3 FT/LBS between Items 10, 13, 11 &...
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MT8 Fluid End Parts List (Cont’d) Ref. Quantity/ No. Part Number Description Pump 190-260-01 Manifold Top, 316 SST, NPT ....1 190-260-02 Manifold Top, Hastelloy, NPT ....1 190-260-03 Manifold Top, Alloy 20, NPT ....1 190-260-06 Manifold Top, 316 SST, BSPT .....1 190-260-07 Manifold Top, Hastelloy, BSPT ....1 190-260-08...
CAUTION: Disassembly of the hydraulic end of the pump should be performed only by a qualified technician. For 27 190-906 Assembly, Underfill Valve ....3 assistance, contact Wanner Engineering (612-332-5681) 28 177-905 Assembly, Overfill Valve......3 or the distributor in your area.
MT8 Troubleshooting Problem Probable Cause Solution No power. Supply correct power according to motor requirements. Blown fuse/tripped circuit Replace/reset, eliminate circuit overload. breaker. Shaft coupling to pump not in Install proper coupling hardware (see parts list). place. Motor/Pump Current overload - motor. Motor not rated for pump operating conditions - install proper motor.
MT8 Pump Series Replacement Parts Kits TO ORDER REPLACEMENT PARTS KIT: A Replacement Parts Kit contains 11 digits corresponding to customer-specified design options. Digit(s) Order Code Description MT8 Replacement Parts Kit Contents Pump Configuration Kit Designator MT08 For all MT8 Pumps Part Number* Description QTY K...
MT8 - Warranty Limited Warranty Wanner Engineering, Inc. (“Wanner”) extends to the original purchaser of equipment supplied or manufactured by Wanner and bearing its name, a limited one-year warranty from the date of purchase against defects in material or workmanship, under normal use and service, and provided the equipment is installed, operated and maintained in accordance with instructions supplied by Wanner.
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