Shandong Shengyue Technology Development Co.,Ltd is one of the most professional hydraulic multi-way directional control valve qzm60m-07t.40t for sanitation garbage trucks manufacturers and suppliers in China. Please feel free to buy high quality genuine auto parts at competitive price from our factory.
Hydraulic multi-way directional control valve QZM60M-07T.40T for sanitation garbage trucks
Structure and Core Components
1. Built-in Safety Relief Valve (Main Safety Valve): Located within the oil inlet block, this valve limits the maximum operating pressure of the entire hydraulic system, preventing damage to the oil pump or cylinder caused by overloading.
2. Pneumatic Actuator: The tail end of the valve stem features two air ports. When the air pump supplies air to one of these ports, air pressure drives the internal piston, thereby shifting the valve stem.
3. Return Spring Assembly: Upon release of the manual control lever or loss of air supply, a high-strength internal spring automatically returns the valve stem to the neutral position (mechanical neutral dead zone), halting cylinder movement.
4. Check Valve: Each valve spool section is typically equipped with an internal load check valve. This prevents fluid backflow during directional switching, thereby avoiding issues such as the sanitation vehicle's bin-tipping mechanism or scraper blade "dropping" or "sagging" at the moment of actuation.
DETAILS
| DESCRIPTION | Hydraulic multi-way directional control valve | PART NUMBER | QZM60M-07T |
| WEIGHT | 15 kg | VOLUME | 300 mm × 210 mm × 120 mm |
| TRUCK MOLDE | SINOTRUK | QUALITY | Copy,High Copy, OEM,Original |
| MOQ | 1 | WARRANTY | 1 year |
| PAYMENT | TT/WESTEN UNION | SHIPMENT | by air/sea/railway |
| BRAND | SINOSACHS | PLACE OF ORIGIN | JINAN CITY,CHINA |
| STOCK | IN STOCK | APPLICABLE SITE | CHASSSIS |
| PACKAGE | Carton/Woodenbox | PORT OF LANDING | Qingdao Port,China |
Common Faults and Maintenance Guide
1: Oil leakage at the valve stem: Prolonged, high-frequency operation causes the O-ring or composite washer at the stem end to wear out or age. There is no need to replace the entire assembly; simply replace the worn part with an oil-resistant fluororubber O-ring of the same specifications.
2: Unresponsive pneumatic control: Moisture in the vehicle's air supply can cause scaling or rusting inside the rear pneumatic cylinder, wear on pneumatic seals leading to air leaks, or freezing of air lines in winter. Check if the vehicle's pneumatic solenoid valve is supplying air correctly. If air reaches the rear of the multi-way valve but fails to actuate the mechanism, disassemble and clean the rear pneumatic actuator cylinder, then apply fresh grease.
3: Manual lever is stuck or fails to return to position: The rear return spring is broken. Remove the valve stem and clean it thoroughly with a cleaning agent; do not use sandpaper to scrub it. If the spring is broken, replace the rear spring seat assembly.
4: Low system pressure: Debris stuck in the main relief valve prevents it from closing properly. Remove and clean the safety relief valve spool located on the first valve section. After reinstallation, connect a pressure gauge and adjust the pressure upward to the standard value by turning the adjustment bolt clockwise.
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