PUMP SYSTEM MALFUNCTION

MALFUNCTION

CAUSE

REMEDY

The Pressure and/

Worn packing seals

Replace packing seals

or the Delivery

Broken valve spring

Replace spring

Drops

Belt slippage

Tighten or Replace belt

 

Worn or Damaged nozzle

Replace nozzle

 

Fouled discharge valve

Clean valve assembly

 

Fouled inlet strainer

Clean strainer

 

Worn or Damaged hose

Repair/Replace hose

 

Worn or Plugged relief valve on pump

Clean, Reset, and Replace worn parts

 

Cavitation

Check suction lines on inlet of

 

pump for restrictions

Check for proper operation

 

Unloader

Water in crankcase

High humidity

Reduce oil change interval

 

Worn seals

Replace seals

Noisy Operation

Worn bearings

Replace bearings, Refill crankcase

 

oil with

recommended lubricant

 

Cavitation

Check inlet lines for restrictions

 

 

and/or proper sizing

Rough/Pulsating

Worn packing

Replace packing

Operation with

Inlet restriction

Check system for stoppage, air

Pressure Drop

 

leaks, correctly sized inlet

 

 

plumbing to pump

 

Accumulator pressure

Recharge/Replace accumulator

 

Unloader

Check for proper operation

 

Cavitation

Check inlet lines for restrictions

 

 

and/or proper size

Pressure Drop at Gun

Restricted discharge plumbing

Re-size discharge plumbing to

 

 

flow rate of pump

Excessive

Worn plungers

Replace plungers

Leakage

Worn packing/seals

Adjust or Replace packing seals

 

Excessive vacuum

Reduce suction vacuum

 

Cracked plungers

Replace plungers

 

Inlet pressure too high

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

Preventative Maintenance Check-List & Recommended Spare Parts List

Check

Daily

Weekly

50hrs

Every

Every

Every

 

 

 

 

500 hrs

1500 hrs

3000 hrs

Oil Level/Quality

X

 

 

 

 

 

Oil Leaks

X

 

 

 

 

 

Water Leaks

X

 

 

 

 

 

Belts, Pulley

 

X

 

 

 

 

Plumbing

 

X

 

 

 

 

 

 

Recommended Spare Parts

 

 

Oil Change

 

 

X

X

 

 

Seal Spare Parts (1 kit/pump)

 

 

 

 

X

 

(See page 11 for kit list)

 

 

 

 

 

 

Oil Seal Kit (1 kit/pump)

 

 

 

 

X

 

(See page 11 for kit lit)

 

 

 

 

 

 

Valve Spare Parts (1 kit/pump)

 

 

 

 

 

X

(See page 11 for kit list)

 

 

 

 

 

 

14

Page 14
Image 14
Giant P219-3100, P218-5100, P217-3100, P217-5100, P218-3100, P219-5100, P221-3100, P221-5100, P230-3100 Pump System Malfunction

P220-3100, P227-5100, P218-3100, P227-3100, P220-5100 specifications

Giant has established itself as a leader in the cycling industry, known for its innovative designs and advanced technologies. Among its impressive lineup of bicycles, the P221-3100, P217-3100, P230-5100, P219-3100, and P230-3100 models stand out for their unique features and performance capabilities.

The Giant P221-3100 is renowned for its lightweight aluminum frame, which strikes a perfect balance between strength and agility. The bike features a Shimano drivetrain that ensures smooth and reliable shifting under various conditions. Its geometry is designed for enhanced stability, making it an ideal choice for both casual riders and competitive cyclists. The inclusion of hydraulic disc brakes provides superior stopping power, especially in wet or downhill conditions.

Similarly, the P217-3100 showcases a blend of comfort and performance. It is equipped with a plush saddle and ergonomic handlebars that promote a more relaxed riding posture. The bike's 27.5-inch wheels offer a perfect compromise between speed and control, making it versatile enough for urban commuting and off-road exploration. The P217-3100 also integrates Giant’s proprietary technology, which enhances energy efficiency to give riders a significant boost during climbs.

The P230-5100 takes performance to a higher level with its advanced suspension system. This model features a full-suspension design that absorbs shocks effectively, ensuring a smooth ride on rugged terrains. With a robust frame and components designed for durability, the P230-5100 is perfect for aggressive trail riding. Additionally, its tubeless-ready tires provide excellent traction and reduce the risk of flats, giving riders peace of mind on longer rides.

The P219-3100, on the other hand, is designed for speed enthusiasts. This road bike is characterized by its aerodynamic frame and lightweight construction, allowing riders to achieve impressive speeds on flat surfaces. The bike's cutting-edge gearing system ensures optimal power transfer, making it a favorite among competitive cyclists. Integrated LED lights also enhance safety during nighttime rides.

Lastly, the P230-3100 combines the best of both worlds—speed and versatility. With a minimalist design and a strong emphasis on aerodynamics, this bike is perfect for both racing and recreational riding. Its advanced braking technology enhances control, while the strategically designed frame geometry caters to various riding styles.

In conclusion, the Giant P221-3100, P217-3100, P230-5100, P219-3100, and P230-3100 models encapsulate Giant's commitment to quality and performance. Each bike caters to different riding preferences while maintaining the brand's hallmark features of durability, comfort, and innovation. Whether for thrill-seeking on rugged trails or smooth rides on city streets, these bicycles are sure to impress riders of all levels.