QP-402H — MAINTENANCE (ENGINE)

MAINTENANCE

Performtheenginemaintenanceproceduresasindicatedbelow:

DAILY

■Thoroughly remove dirt and oil from the engine and control area.Clean or replace the air cleaner elements as necessary. Check and retighten all fasteners as necessary. Check the spring box and bellows for oil leaks. Repair or replace as needed.

WEEKLY

■Remove the fuel filter cap and clean the inside of the fuel tank.

■Remove or clean the filter at the bottom of the tank.

■Remove and clean the spark plug (Figure 19), then adjust the spark gap to 0.028 ~0.031 inch (0.6~0.7 mm).This unit has electronic ignition, which requires no adjustments.

Figure 19. Spark Plug Gap

ENGINE OIL

1.Drain the engine oil when the oil is warm as shown in Figure 20.

2.Remove the oil drain bolt and sealing washer and allow the oil to drain into a suitable container.

3.Replace engine oil with recommended type oil as listed in Table 5. Engine oil capacity is 1.16 quarts (1.1 liters). DO NOT overfill.

4.Install drain bolt with sealing washer and tighten securely.

DANGER - Cleaning Solvents

The DO NOT use gasoline as a cleaning solvent, because that would create a risk of fire or explosion.

ENGINEAIRCLEANER

1.Remove the air cleaner cover and foam filter element as shown in Figure 21.

2.Tap the paper filter element (Figure 21) several times on a hard surface to remove dirt, or blow compressed air [not exceeding 30 psi (207 kPa, 2.1 kgf/cm2)] through the filter elementfromtheaircleanercaseside.NEVER brushoffdirt. Brushingwillforcedirtintothefibers.Replacethepaperfilter element if it is excessively dirty.

3.Cleanfoamelementinwarm,soapywaterornonflammable solvent. Rinse and dry thoroughly. Dip the element in clean engineoilandcompletelysqueezeouttheexcessoilfromthe element before installing.

Figure 21. Engine Air Cleaner

Figure 20. Engine Oil (Draining)

QP-402H CENTRIFUGAL PUMP — OPERATION AND PARTS MANUAL— REV. #1 (04/02/08) — PAGE 23

Page 22 Page 24
Page 23
Image 23
Multiquip qp-402h manual QP-402H Maintenance Engine, Daily
Page 22 Page 24

qp-402h specifications

The Multiquip QP-402H is a powerful, versatile piece of construction equipment designed for a range of applications, particularly in the construction and operational sectors. Known for its durability and efficiency, the QP-402H is a part of Multiquip’s extensive portfolio of equipment that adheres to the high standards of reliability and performance.

One of the standout features of the QP-402H is its robust Honda GX160 engine, which delivers superior power and performance. The engine is designed for optimal fuel efficiency, allowing operators to maximize their productivity while minimizing operational costs. This machine is engineered to handle a wide variety of tasks, from producing high-quality concrete to powering various construction tools, making it an invaluable asset on job sites.

In terms of design, the QP-402H features a heavy-duty construction, which ensures its longevity even under strenuous working conditions. The unit is equipped with an advanced compressor system that provides consistent air supply for up to four pneumatic tools simultaneously. This multi-tool capability significantly enhances productivity on the job site, allowing crews to work more efficiently without having to wait for equipment to become available.

The QP-402H incorporates sophisticated technologies to ensure user-friendly operation. Its intuitive controls are designed to be easily accessible, enabling operators to quickly adjust settings and manage functions with minimal effort. Additionally, the compact design of the unit allows for easy transportation and maneuverability, making it a suitable choice for both large scale and tight-space projects.

Another notable characteristic of the QP-402H is its low noise level, which is increasingly important in urban environments where noise regulations are strict. This quiet operation ensures that tasks can be completed with minimal disruption, promoting better relations with surrounding communities.

Safety is a primary consideration in the design of the Multiquip QP-402H. The machine is equipped with various safety features, including a protective cage for the engine and secure fastenings for operational stability. These features contribute to a safer working environment for operators and personnel on-site.

In conclusion, the Multiquip QP-402H stands out as a reliable, efficient, and versatile solution in the realm of construction equipment. Its powerful engine, user-friendly technologies, robust construction, and safety features make it an ideal choice for professionals who require high-performance equipment that can handle varied demands in challenging environments.
Top Page Image Contents