Guangzhou Qichao Machinery Parts Co., Ltd.
                                                                                                           
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7022158100 Main Control Pilot Solenoid OE 702-21-58100 For PC300-7 PC360-7

Price Negotiable
Price: Please send mail or Whatsapp
MOQ: 1 Piece
Delivery Time: Negotiable
Brand: ZVEZDA
Product Description
7022158100 Main Control Pilot Solenoid OE 702-21-58100 For PC300-7 PC360-7

This multi-way main valve pilot proportional solenoid OEM No.702-21-58100, cross interchange OE code 7022158100, matches the pilot pressure control oil circuit of main control valve for Komatsu PC300-7 and PC360-7 large excavators, used to adjust pilot oil pressure to drive main valve spool movement.

Product Details
Item Attribute Technical Parameter
Commercial Title Square Block Pilot Proportional Pressure Control Solenoid For PC-7 Series Large Excavator Main Control Valve
Cross Reference PN 7022158100 (Short Code:702-21-58100)
Applicable System Excavator Main Valve Stepless Pilot Proportional Hydraulic Control Circuit
Quality Grade Dust-proof Anti-vibration High Temp Heavy Duty Replacement Standard
Production Base Guangdong, China
Product Category Large Excavator Main Control Valve Hydraulic Electrical Control Components
Electrical Spec Coil Resistance 14.8Ω, Rated Control Current 712mA
Continuous Working Temp Up to 124℃ without seal aging and pressure signal drift
Order Processing Cycle Normally 1–7 working days once payment received
Custom Service Custom Logo & Custom Export Carton Available For Bulk Orders
MOQ Support 1 Piece Sample Order Acceptable For On-site Machine Compatibility Test


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Questions & Answers
No. Question Standard Answer
Q1 Which large excavators adopt main control pilot solenoid valve 702-21-58100? This square block pilot proportional solenoid is specially manufactured for PC300-7 and PC360-7 large construction excavator main multi-way control valve pilot oil circuit.
Q2 What core pilot pressure regulation function does this valve undertake in hydraulic system? It receives ECU current signal to adjust output pilot oil pressure, control the opening stroke of main valve spool, realize stepless speed regulation of boom, arm and bucket actions.
Q3 What abnormal machine states will appear if this pilot solenoid fails? Slow boom & bucket movement, insensitive operation handle, insufficient breakout force, unstable idle action and continuous rise of hydraulic oil temperature.
Q4 Is full disassembly of the whole main control valve needed during replacement? No, this valve is externally mounted on main valve block, only four fixing bolts and wiring plug need to be removed for direct replacement, low maintenance difficulty.
Q5 What structural design ensures stable signal output in harsh construction environment? Thickened braided oil-proof wire + fully sealed two-pin waterproof connector, integral anti-rust alloy valve block, effectively resist long-term dust, vibration and high temperature interference.
Q6 How to quickly judge whether the solenoid coil is damaged before installation? Use multimeter to measure coil resistance, normal range 14–16 ohms; infinite resistance means open circuit, resistance lower than 10 ohms means coil short circuit.

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Company Guangzhou Qichao Machinery Parts Co., Ltd.
Location 825-827, Zhuji International Machinery City, No.36 Zhuji Road, Tianhe District, Guangzhou, China
Contact Person Sales

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