COGENG 707-99-14960 Komatsu Complete Hydraulic Cylinder Service Kit

Technical Constants & Performance Dat

Primary Sealing Components

Wear Components & Bushings

Static Seals & Hardware

Specialty & Installation Components

Primary Equipment Compatibility

Detailed Application Matrix

Serial Number Compatibility

Component Utilization Guide

Decompose pictures


Parts list


Installation decomposition diagram

Performance Validation:

• Smooth operation through full stroke

• No external leakage at any pressure

• Drift test: ≤3mm/10 minutes at 25 MPa

• Temperature check: ≤65°C after 30 minutes operation

• Cycle test: 20 full cycles at operating pressure

Critical Installation Warnings

⚠️ SYSTEM INTEGRATION REQUIREMENTS:

• ALL kit components designed to work together

• DO NOT mix with other manufacturer's components

• REQUIRED: Install complete kit for optimal performance

• VERIFY: All components used from same kit batch

⚠️ ABSOLUTE MANDATES:

• MUST clean all components before installation

• MUST verify all dimensions before assembly

• MUST use provided installation tools

• MUST follow torque sequence exactly

⚠️ SPECIAL CONSIDERATIONS FOR COMPLETE KIT:

• Bushing installation: Critical for proper seal alignment

• Component sequencing: Follow provided guide exactly

• Measurement verification: More critical with multiple components

• System testing: More comprehensive due to complete overhaul

Pre-Service Preparation Protocol

1. Workspace Requirements:

   • ISO 4406 Class 8/7/5 cleanliness minimum

   • Temperature controlled: 18-26°C (64-79°F)

   • Lighting: 750 lux minimum at work surface

   • Dedicated clean assembly area

2. Required Equipment Beyond Kit:

   • Hydraulic press (5-10 ton capacity)

   • Precision measuring tools (0.001mm resolution)

   • Torque wrench (calibrated)

   • Cylinder honing equipment (if required)

   • Ultrasonic cleaner (recommended)

3. Safety & Preparation Checklist:

   • Complete system depressurization verified

   • Equipment properly supported/secured

   • Personal protective equipment available

   • Service manual for specific model onsite

Frequently Asked Questions
A. When will get the items after I place order?
Q. Once your payment is confirmed,we will arrange the goods within 1~4 days; if not in stock, we will inform you before placing the order?

A. If I only know the excavator model, but can not offer parts No.,what should I do ?
Q. If possible, you can send us pictures of old products, nameplate or the size for reference.

A. How can you guarantee the quality??
Q. We will 100% test the goods before delivery. We also support video inspection.

A. How long will it take to delivery to my address??
Q. The normal delivery time is 3-7 days, depending on which country you are in.?

A : Which delivery method will you choose?
Q : By sea, air or express(DHL,Fedex,TNT, UPS, EMS etc.)，Sometimes we will arrange as the customer's demand.

A: What's package? Can you give me the package according my requirement??
Q. We usually packed by standard exported box or carton. And yes we can pack as per your requirement.

A: Can the price be cheaper?
Q: Of course, you will be offered a good discount for a big amount.

A: Why should I choose to buy from you?
Q:Our advantages: 100% quality assurance, develop and manufature follow original ones;Quick response within 24 hours; Small order allowed;Reasonable stock and timely delivery;Neutral packing, customized packing are allowed. Positive customer feedback from abroad market;Excellent after-sales service.
A : Which payment terms can you accept?
Q : Paypal. Western Union, Bank Transfer, T/T...