Multiquip px400, cx400 manual Symptom, Solution

Page 24

TROUBLESHOOTING

Table 8. Pump Troubleshooting

SYMPTOM

POSSIBLE PROBLEM

SOLUTION

 

 

 

 

 

Check that proper voltage (115 VAC, 60 Hz, single-

 

Incorrect voltage/amps?

phase) is being supplied to the pump. Also check that

 

there is an adequate amount of current (amps) to run

 

 

 

 

the pump. Check power source circuit breaker.

 

 

 

 

Check electrical connec-

If using float switches check wiring, inspect power

 

tions?

cord.

 

 

 

 

Blown power fuse or tripped

Replace fuse check circuit breaker, check cause of

Pump Fails To Start

circuit breaker?

blown fuse or tripped breaker.

 

 

Impeller locked?

Disconnect power cord and check for clogging. Un-

 

 

clog pump. Check overload protection device.

 

 

 

 

 

 

 

Use multimeter to check motor insulation. Insulation

 

Wet motor windings?

resistance must be approximately 15 megaohms. If

 

resistance is low, disassemble pump motor and bake

 

 

 

 

windings to dry them.

 

 

 

 

Defective motor and pump

Check for excessive bearing wear, if worn replace

 

bearings?

bearings. Replace motor if defective.

 

 

 

 

Twisted or restricted dis-

Lay hose flat un-kinked. Remove clog from hose line.

 

charge hose?

 

 

 

 

 

 

Clogged impeller?

Clean impeller.

 

 

 

Pump Fails to Deliver Full

 

Use a voltmeter to check voltage while pump is

Output

 

energized. Voltage must be within ±10%. Check

 

Low voltage?

power source (no load and load). If an extension cord

 

 

is used, make sure it has adequate current-carrying

 

 

capacity for the required length.See Table 4.

 

 

 

 

Impeller worn?

Replace impeller.

 

 

 

Water in Mechanical

Defective mechanical seal?

Replace mechanical seal.

 

 

Seal Oil

Loose Oil Fill Plug?

Tighten securely. Apply teflon tape.

 

 

 

 

page 24 — cx400/px400 Sub. pump • operation and parts manual — rev. #1 (12/03/10)

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Contents Model cx400/px400 Table of Contents CX400/PX400 Submersible PumpChoose from three easy options Safety Information SaFetY meSSageSSaFetY SYmbolS SymbolGeneral SaFetY Pump SaFetY „ do not attempt to thaw out a frozen pump by using„ never disconnect any emergency or Power Cord/Cable Safety Control box SafetyLiFting SaFetY Grounding SafetyDimensions PX400Specification Model CX400/PX400Model Voltage Type UL/CSAPerformance curve Pump Performance CurveGeneral information Components Allows the pump to run dry for a limited period of timeDirect power operation Direct Power OperationFloat switches Mechanical Float SwitchDesign Features How It WorksFloat Switches Mounting The Float SwitchesFloat switches control box CB3 Control BoxPump Power Connections No Control Box OperationHose Connections Attaching Lifting RopeControl Box Installation Single-Phase Power Installation InputPower Cord Requirements Control Box MountingConnecting Dual float Switch SW-1WOP To Control Box Connecting AC Power to the CB3 Control BoxConnecting AC Power to the Pump Motor ContractorTurning On The Pump Manual OperationAutomatic Operation Shut-DownMaintenance CleanupLubrication Lay pump flat on its side PX400 only as shown in FigureImpeller/Mechanical Seal Replacement PX400 Impeller/Mechanical Seal Replacement CX400Remove the bolts securing the casing cover to the casing Electrical Insulation Testing Why perform electrical insulation testing?Symptom SolutionCb3 Control BoX wiring diagram Wiring DiagramExplanation of Code in Remarks Column Suggested Spare Parts To 3 UnitsQty Description CX400 pump assy Part Name QTY PX400 pump assy Part Name QTY Remarks Terms and Conditions of Sale Parts FreigHt policYPage HERE’S HOW to GET Help

px400, cx400 specifications

The Multiquip CX400 and PX400 are cutting-edge equipment designed to make tasks in construction and landscaping more efficient and effective. These models are well-regarded for their reliability, durability, and advanced features, making them suitable for a wide range of applications.

The CX400 is known for its robust construction and powerful performance. It features a heavy-duty frame, which provides excellent stability during operation. The model is equipped with a reliable engine that ensures high torque and performance, allowing it to tackle various tasks with ease. Additionally, the CX400 boasts advanced hydraulic systems that enhance its lifting capacity and operational efficiency, making it ideal for heavy lifting and material handling in various environments.

On the other hand, the PX400 is designed for versatility and efficiency. This model is particularly well-suited for urban applications and tighter spaces due to its compact design. Despite its smaller size, the PX400 doesn't compromise on power. It offers an impressive lifting capacity and is equipped with a smooth-operating hydraulic system that allows for precise control during operation.

Both models come with user-friendly controls that simplify operation and increase productivity. The ergonomic design of the operator’s platform ensures comfort during extended use. Additionally, these machines feature enhanced safety features, including a robust guarding system and emergency stop functions, ensuring the safety of operators and personnel on job sites.

Another notable characteristic of the CX400 and PX400 is their fuel efficiency. Designed with modern engines that minimize fuel consumption while maximizing output, these models can significantly reduce operational costs over time. They are also engineered for easy maintenance, featuring accessible components that make routine checks and servicing straightforward.

Moreover, the Multiquip CX400 and PX400 are compatible with various attachments, allowing users to customize their machines for specific tasks. This adaptability makes them an invaluable asset to contractors and equipment rental companies alike.

In conclusion, the Multiquip CX400 and PX400 stand out in the construction and landscaping industry due to their powerful performance, advanced technologies, user-friendly features, and versatility. They are engineered to meet the demands of modern job sites while ensuring safety, efficiency, and reliability. Whether for heavy lifting or operating in confined spaces, these machines are equipped to handle a range of tasks effectively.
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