Giant p46w service manual Pumpsystemmalfunction, Parts

Page 8

PUMPSYSTEMMALFUNCTION

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

 

 

Unloader

Check for proper operation

 

 

 

Water in crankcase

High humidity

Reduce oil change interval

 

Worn seals

Replace seals

 

 

 

Noisy Operation

Worn bearings

Replace bearings, Refill crankcase

 

oilwith

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

 

 

 

Pump Pressure as

Restricted discharge plumbing

Re-size discharge plumbing to

Rated, Pressure

 

flow rate of pump

Drop at gun

 

 

 

 

 

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 (1 Gallon) p/n 1154

 

 

X

X

 

 

 

 

Plunger Packing Kits (1kit/pump)

 

 

 

 

X

 

 

 

(See page 5 for kit list)

 

 

 

 

 

 

 

 

Valve Assembly Kit (1 kit/pump)

 

 

 

 

X

 

 

 

(See page 5 for kit list)

 

 

 

 

 

 

 

 

Oil Seal Kit (1 kit/pump)

 

 

 

 

 

 

X

 

(See page 5 for kit list)

 

 

 

 

 

 

 

8

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Contents P46W, P46W-HK & P46HT Installation Instructions P46W, P46W-HK, & P46HT Important Operating ConditionsSpecifications Model P46W/P46W-HK Pulley InformationHorsepower Information Npshr ChartP46W, P46W-HK & P46HT Torque Specifications P46W, P46W-HK & P46HT Repair KitsExploded View P46W, P46W-HK, P46HT P46W, P46W-HK & P46HT Parts List Part Description QTYPumpsystemmalfunction PartsRepair Instructions P46W, P46W-HK, P46HT Repair Instructions P46W, P46W-HK, & P46HT 31/50 31AGearEndDisassembly GearEndReassemblyGiantindustrieslimitedwarranty P46W, P46W-HK & P46HT Dimensions

p46w specifications

The Giant P46W is a remarkable bicycle that has gained considerable attention for its blend of functionality, innovation, and design. This model is designed to cater to a wide range of riders, from commuting enthusiasts to those looking for a reliable vehicle for weekend adventures. Its robust build and advanced technology features make it stand out in the competitive cycling market.

At the heart of the P46W is its lightweight aluminum frame, which provides strength without adding extra weight. This characteristic makes it easy to handle and maneuver, whether navigating urban streets or tackling off-road trails. The geometry of the frame ensures a comfortable riding position, promoting an ergonomic experience for the rider during long journeys.

One of the prominent features of the Giant P46W is its upgraded gear system. It is equipped with a precision shifting mechanism that allows for smooth transitions between gears. This system enhances the bike’s performance, particularly in varying terrains, and gives riders the confidence that they can tackle steep hills or swift descents with ease.

The Giant P46W also incorporates advanced braking technology. The hydraulic disc brakes deliver exceptional stopping power in all weather conditions, ensuring rider safety and control. This feature is crucial for urban commuting, where quick reactions can make all the difference.

Another standout characteristic is its tire selection. The bike is fitted with puncture-resistant tires that offer a good balance between speed and grip. These tires help to absorb shocks and maintain stability, which is particularly helpful when navigating rough paths or bumpy city streets.

Additionally, the P46W integrates modern technologies such as a digital display panel that provides real-time data on speed, distance traveled, and battery life (if equipped with an e-bike version). This tech-savvy addition enhances the riding experience, allowing cyclists to monitor their performance easily.

In terms of storage and accessories, the Giant P46W offers multiple mounting points for racks and fenders, making it adaptable for carrying additional gear or personal belongings. This versatility appeals to commuters and adventure riders alike, as it opens up possibilities for long-distance trips and practical everyday use.

Overall, the Giant P46W is a well-rounded bicycle that combines stylish design with high-performance features. Its lightweight frame, advanced shifting and braking technologies, durable tires, and versatility position it as a top choice among cyclists looking for reliability and efficiency in their rides. Whether for leisure or daily transportation, the P46W is set to impress riders with its capabilities.