PUMP SYSTEM MALFUNCTION

MALFUNCTION

The Pressure and/ or the Delivery Drops

CAUSE

Worn packing seals Broken valve spring Belt slippage

Worn or Damaged nozzle Fouled discharge valve Fouled inlet strainer Worn or Damaged hose

Worn or Plugged relief valve on pump Cavitation

Unloader

REMEDY

Replace packing seals Replace spring Tighten or Replace belt Replace nozzle Clean valve assembly Clean strainer Repair/Replace hose

Clean, Reset, and Replace worn parts Check suction lines on inlet of pump for restrictions

Check for proper operation

Water in crankcase

High humidity

Reduce oil change interval

 

Worn seals

Replace seals

 

 

 

Noisy Operation

Worn bearings

 

Cavitation

Replace bearings, Refill crankcase oil with recommended lubricant Check inlet lines for restrictions and/or proper sizing

Rough/Pulsating

Worn packing

Operation with

Inlet restriction

Pressure Drop

 

 

Accumulator pressure

 

Unloader

 

Cavitation

Replace packing

Check system for stoppage, air leaks, correctly sized inlet plumbing to pump Recharge/Replace accumulator Check for proper operation Check inlet lines for restrictions and/or proper size

Pressure Drop at

Restricted discharge plumbing

Re-size discharge plumbing to

Gun

 

flow rate of pump

Excessive Leakage

Worn plungers

 

Worn packing/seals

 

Excessive vacuum

 

Cracked plungers

 

Inlet pressure too high

Replace plungers

Adjust or Replace packing seals Reduce suction vacuum Replace plungers

Reduce inlet pressure

High Crankcase

Wrong Grade of oil

Giant oil is recommended

Temperature

Improper amount of oil in crankcase

Adjust oil level to proper amount

Page 6
Image 6
Giant SP100W service manual Pump System Malfunction, Cause

SP100W specifications

The Giant SP100W is a standout model in the world of e-mountain bikes, designed for enthusiasts who crave power, performance, and versatility on rugged terrains. This bike seamlessly integrates cutting-edge battery technology and robust construction, ensuring a remarkable riding experience.

At the heart of the SP100W lies its powerful 250W motor, which provides an exceptional boost, making steep climbs and challenging trails much more manageable. The motor's efficient power delivery is accompanied by a 500Wh lithium-ion battery, offering extended range and performance. Riders can expect up to 75 miles of assistance, depending on riding conditions and terrain, thanks to the bike's smart energy management system that optimizes battery usage.

One of the most notable features of the Giant SP100W is its advanced suspension system. The front fork is equipped with 120mm of travel, ensuring smooth navigation over rough patches and absorbing shocks effectively. This, combined with the bike's lightweight aluminum frame, allows for a stable ride, whether descending steep inclines or traversing technical trails.

The SP100W also boasts a 1x drivetrain, simplifying gear shifting and enhancing reliability. With a wide range of gears, it enables riders to tackle varying gradients with ease. Furthermore, its hydraulic disc brakes provide excellent stopping power in all conditions, ensuring safety on steep descents and uneven surfaces.

Design-wise, the Giant SP100W features an ergonomic geometry that promotes comfortable riding positions, suitable for long excursions. The integrated lighting system ensures visibility during low-light conditions, making it an all-around bike for day and night adventures.

Another key characteristic of the SP100W is its connectivity features. With built-in Bluetooth technology, riders can connect their smartphones for real-time tracking, navigation, and performance metrics. The bike's intuitive display provides crucial information, including speed, battery status, and distance traveled, enabling users to monitor their performance effectively.

In summary, the Giant SP100W is designed for riders who demand versatility and durability in their e-mountain biking experience. With its powerful motor and intelligent design features, it sets a new standard for reliability and enjoyment on the trails, making it an exceptional choice for both experienced and novice mountain bikers alike. Whether navigating rocky terrains or enjoying leisurely paths, the SP100W stands ready to deliver adventure.