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Avi Saraf

Operations & Ownership Writer at Desi Machines
136 articles Writing for Desi Machines since 2026
Avi writes on the ownership side of construction equipment - maintenance, operator training, fleet management, finance, and insurance. His guides are about keeping a machine earning after the purchase, in real Indian operating conditions.

Articles by Avi — page 3

Guide Types of Estimate in Civil Engineering: Approximate, Detailed, Revised and Supplementary

Types of Estimate in Civil Engineering: Approximate, Detailed, Revised and Supplementary

Civil engineering uses about nine named types of estimate, and they fall into two families. Approximate estimates put…

Guide Paint Quantity Calculation: Area, Coverage per Litre, Putty and Primer

Paint Quantity Calculation: Area, Coverage per Litre, Putty and Primer

One litre of interior emulsion covers about 130 to 150 sq ft of new wall in two coats.…

Guide Wheel Bearings on Backhoe Loaders (JCB) and Wheel Loaders: Failure Signs, Bearing Number and Size

Wheel Bearings on Backhoe Loaders (JCB) and Wheel Loaders: Failure Signs, Bearing Number and Size

A backhoe loader whose front wheel growls louder as it picks up speed, or rocks at the top…

Guide Bucket Cutting Edge for Backhoe Loader (JCB), Wheel Loader and Excavator: Bolt-On vs Weld-On, Sizes and Replacement

Bucket Cutting Edge for Backhoe Loader (JCB), Wheel Loader and Excavator: Bolt-On vs Weld-On, Sizes and Replacement

When the front shovel of a backhoe loader starts pushing soil along instead of slicing into it, the…

Guide Excavator Center Joint (Swivel Joint): How It Works, Leak Signs and Seal Kit

Excavator Center Joint (Swivel Joint): How It Works, Leak Signs and Seal Kit

An excavator that travels weakly on one side, or loses its travel speed once the oil is hot,…

Guide Electric Road Rollers and Compactors: Where They Fit, Runtime and What to Check

Electric Road Rollers and Compactors: Where They Fit, Runtime and What to Check

Electric road roller models with a maker's published sheet weigh between 1.7 and 2.7 tonnes (1,690 to 2,700…

Guide Septic Tank Size Calculation: Capacity per User Under IS 2470

Septic Tank Size Calculation: Capacity per User Under IS 2470

A septic tank for a family of five needs about 1,125 to 1,180 litres of liquid space, and…

Guide Backhoe Loader (JCB) and Excavator Hour Meter and Instrument Cluster: Reading the Hours, Gauges and Faults

Backhoe Loader (JCB) and Excavator Hour Meter and Instrument Cluster: Reading the Hours, Gauges and Faults

An hour meter that reads 1234.5 has counted 1,234 hours and 30 minutes of engine time, because the…

Guide Backhoe Loader (JCB) and Excavator Solenoid Valve: Stop Solenoid, Hydraulic Valves and Failure Signs

Backhoe Loader (JCB) and Excavator Solenoid Valve: Stop Solenoid, Hydraulic Valves and Failure Signs

A backhoe loader that cranks well but never fires, or keeps running after the key is turned off,…

Guide Hybrid Excavators: How They Store and Reuse Energy, and What to Check

Hybrid Excavators: How They Store and Reuse Energy, and What to Check

A hybrid excavator still runs on diesel. What makes it a hybrid is a second store of energy,…

Guide Backhoe Loader (JCB) and Excavator Water Pump and Thermostat: How They Work and Failure Signs

Backhoe Loader (JCB) and Excavator Water Pump and Thermostat: How They Work and Failure Signs

A backhoe loader whose temperature gauge climbs within minutes of a cold start usually has a thermostat stuck…

Guide Electric Pallet Trucks and Stackers in India: Types, Capacities and Where They Fit

Electric Pallet Trucks and Stackers in India: Types, Capacities and Where They Fit

An electric pallet truck moves a loaded pallet of 1.5 to 3 tonnes (1,500 kg to 3,000 kg)…

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