S & S Repair Services India
S & S is a leading American manufacturer of hydraulic and pneumatic power solutions for industrial automation, material handling, and mobile equipment. Founded in 1946, S & S has built a global reputation for rugged, reliable fluid power components used across heavy manufacturing, construction, and infrastructure sectors. Their presence in India has grown significantly with expanding demand in Indian automotive, steel, cement, and renewable energy industries.
S & S is a leading American manufacturer of hydraulic and pneumatic power solutions for industrial automation, material handling, and mobile equipment. Founded in 1946, S & S has built a global reputation for rugged, reliable fluid power components used across heavy manufacturing, construction, and infrastructure sectors. Their presence in India has grown significantly with expanding demand in Indian automotive, steel, cement, and renewable energy industries.
Synchronics Electronics specializes in repairing S & S hydraulic power units, proportional directional control valves, servo cylinders, pressure compensators, and mobile control systems. With 180+ engineers and 30 years of industrial repair expertise, we service 10+ S & S product families for machine builders, OEMs, and plant maintenance teams across India. Our Vadodara facility holds genuine parts inventory and diagnostic equipment for rapid turnaround on S & S fluid power failures.
Synchronics is India's trusted S & S hydraulic and pneumatic power repair specialist.
S & S Equipment We Repair — By Category
S & S Product Lines We Repair
Our engineers are trained on the full S & S product range. Below are the major product families we service.
Hydraulic Power Units (HPUs)
Compact and modular HPUs for industrial machinery. Common faults include pump cavitation, relief valve drift, filter clogging, and heat exchanger scaling in India's high-dust environments. Requires specialized pressure testing and fluid analysis.
Proportional Directional Control Valves (PDCV)
Spool-type valves with pilot-operated actuation for precise multi-axis control. Repair issues include spool stiction, solenoid coil faults, internal seal degradation, and sensitivity drift in high-vibration mills and paper plants.
Servo Cylinders & Actuators
High-performance cylinders for closed-loop position feedback in presses and material handling. Common failures: piston rod corrosion in coastal areas, internal seal wear, magnetostrictive sensor malfunction, and cavity creep under sustained pressure.
Pressure Compensators & Reducing Valves
Pilot-operated regulators for load-sensing circuits in textile, printing, and food processing lines. Typical faults include valve seat erosion, compensator spool stiction, thermal stability loss, and pilot line blockage from contaminated hydraulic oil.
Mobile Proportional Control Systems
Integrated valve stacks with integrated electronics for cranes, excavators, and concrete pumps. Repair challenges include moisture ingress in electronics cabinets, CAN bus communication faults, and proportional solenoid coil burnout in monsoon-prone regions.
Pressure & Flow Test Equipment
Diagnostic tools and flow meters for commissioning and troubleshooting S & S systems. Field failures include pressure transducer zero-drift, flowmeter impeller jamming, and data logger memory corruption in high-EMI factory environments.
Why Choose Synchronics for S & S Repairs?
PCB-Level Expertise
We repair down to the component level — not just swap boards. Our engineers identify root causes, replace failed IGBTs, capacitors, processors, and gate drivers on S & S equipment.
Fast Turnaround
Standard 7–10 working days. Express 3–5 days available for critical breakdowns. Emergency same-day/next-day service for unplanned downtime.
6-Month Warranty
Every repaired unit ships with a 6-month comprehensive warranty on parts and labour. Our repair success rate is over 94% across all brands.
All-India Service
Couriered repairs accepted from any city in India. Doorstep pickup available in Vadodara, Mumbai, Pune, Ahmedabad, Surat, Chennai, and more.
Common S & S Equipment Faults We Fix
Based on 30+ years of repair data, these are the most frequent failure modes we see in S & S equipment arriving at our workshop.
- ✓Hydraulic pump cavitation and aeration noise — S & S HPU inlet lines become air-bound due to low fluid levels, cracked suction hoses, or filter bypass valve stuck open. In India's hot climate, fluid viscosity also drops, reducing pump efficiency. Contamination in return lines aggravates the issue.
- ✓Proportional solenoid coil burnout or chatter — S & S proportional valves in coastal or humid industrial areas experience corrosion on solenoid terminals, causing intermittent electrical contact and resistance heating. Voltage spikes from soft-starters or VFD harmonics also damage coil insulation. Continuous duty without cooling causes thermal overload.
- ✓Spool stiction in directional control valves — S & S PDCV spools seize due to microscopic corrosion, hydraulic fluid degradation products, or sand ingress from defective return filters. Valve cavity bore roughness and worn seals contribute. In Indian paper and textile mills, cotton fibre and cellulose debris accelerate scoring.
- ✓Servo cylinder position feedback drift or loss — S & S magnetostrictive sensors in servo cylinders fail due to water ingress, impact damage, or cable flexing fatigue near crane joints and telescoping cylinders. Rust on piston rod degrades sensor coupling. Electromagnetic interference from motor contactors and welding equipment corrupts analog signals.
- ✓Heat exchanger scaling and reduced cooling capacity — Hard water deposits build up on S & S HPU cooler plates in Indian mineral-rich groundwater regions. Scale restricts fluid flow, raising bulk temperature to 65-75 degrees Celsius, degrading seal elasticity. Biofouling in open reservoir designs also reduces thermal transfer.
- ✓CAN bus or fieldbus communication dropout in mobile systems — S & S integrated mobile control units experience intermittent CAN messages on crane or excavator networks due to loose connectors, corroded pins on hydraulic diagnostic ports, or ground loop noise from engine ignition systems. Connector water ingress is common in monsoon conditions.
How We Repair Your S & S Unit
Receive & Log
Your unit is logged into our tracking system with a unique job number. You receive WhatsApp / email updates at every stage.
Fault Diagnosis
Board-level diagnosis using oscilloscopes, LCR meters, and thermal cameras. Root cause identified before any repair begins.
Component Repair
Faulty ICs, capacitors, MOSFETs, IGBTs, and gate drivers replaced with genuine or equivalent-spec components.
Full-Load Test
Unit tested under rated load with original or equivalent motor. All parameters verified. 6-month warranty issued.
Industries Using S & S Equipment
We serve plant maintenance teams across all major industries where S & S automation is deployed.
Frequently Asked Questions — S & S Repairs
Do you repair S & S equipment anywhere in India?+
Yes, absolutely. Synchronics repairs the complete S & S product range - HPUs, proportional valves, servo cylinders, pressure compensators, and mobile control systems across India. We offer PAN India door pickup service from Mumbai, Delhi, Pune, Chennai, Hyderabad, Ahmedabad, Bengaluru, and all other metro and tier-2 cities. All equipment is serviced at our main facility in Vadodara, Gujarat, with 30+ years of S & S repair heritage.
What is the typical repair turnaround for S & S hydraulic power units?+
S & S HPU repairs typically take 5-7 working days from receipt, depending on fault complexity. If pump displacement testing or cooler descaling is required, allow 7-10 days. We offer express 48-hour turnaround for proportional valve solenoid replacements and spool cleaning. Synchronics maintains genuine S & S seal kits, pump parts, and filter cartridges in stock to minimize waiting time.
Can Synchronics repair S & S servo cylinder sensors and provide position feedback calibration?+
Yes. Synchronics specializes in S & S magnetostrictive and inductive position sensor repair and recalibration. We perform sensor zero-offset adjustment, nonlinearity compensation, and full closed-loop testing with customer PLCs before dispatch. We also repair corroded piston rods, replace worn PTFE rod seals, and install new connector assemblies with conformal coating to prevent future water ingress in coastal or humid facilities.
Do you offer on-site troubleshooting or commissioning support for S & S systems?+
Yes. Synchronics field engineers offer on-site diagnostics, fluid sampling, and system commissioning for S & S installations across India. We bring portable pressure gauges, flow meters, and data loggers to identify root causes of pump noise, valve chatter, or sensor drift. We also conduct oil analysis to verify ISO cleanliness grade and recommend offline filtration or fluid change intervals. Call our support team at Vadodara for availability in your region.
How do I know if my S & S proportional valve needs repair versus replacement?+
Synchronics performs non-destructive testing on S & S proportional valves before quoting repair versus replacement. If solenoid insulation resistance is >100 megohms and spool cavity bore is within tolerance (honing feasible), repair is cost-effective. If coil is burned or bore is scored beyond 2-3 microns, replacement with genuine OEM or reconditioned parts is safer. We provide written test reports and recommend replacement only when necessary, saving you capital expense.
How do I send my S & S unit for repair?+
Pack the unit securely and courier it to our Vadodara workshop. Include a note with the fault description and your contact details. We will log it into our system and WhatsApp you a job number within 24 hours of receipt. Doorstep pickup is available in Vadodara, Ahmedabad, Surat, Mumbai, and Pune.
What is the cost of repairing a S & S drive or PLC?+
Repair cost depends on the model and the fault. We offer a free diagnosis — once we identify the fault, we provide a fixed quotation before proceeding. Typical repairs cost 20–40% of the new unit price. We will never repair without your approval.
What warranty do you provide on S & S repairs?+
All repaired units carry a 6-month comprehensive warranty covering the same fault and related issues. If the fault recurs within the warranty period, we repair it free of cost.
Do you provide a no-fix, no-fee guarantee?+
Yes. If we cannot repair your S & S unit after diagnosis, you pay only the diagnosis fee (₹500–₹1,500 depending on the product). The unit is returned to you at no additional charge.
S & S Repair Catalog
Showing 1–10 of 10 S & S products
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Send us your faulty industrial electronics. Our engineers will diagnose it and provide a detailed quote within 24 hours — with no obligation to proceed.
Free Evaluation
No obligation
48hr Turnaround
Fastest in India
6-Month Warranty
Every repair
No Fix, No Charge
Zero risk policy
Pan-India Pickup
Doorstep service