Giant P57-0011 service manual Pump Mounting Selection Guide, Bushings, Pulley & Sheaves, Rails

Page 6

PUMP SYSTEM MALFUNCTION

PUMPSYSTEM MALFUNCTIONS

MALFUNCTION

CAUSE

REMEDY

The Pressure and/

Worn packing seals

Replace packing seals

or the Delivery Drops

Broken valve springs

Replace springs

 

 

Belt slippage

Tighten or Replace belt

 

Worn or Damaged nozzle

Replace nozzle

 

Fouled discharge valve

Clean valve assembly

 

Worn or Plugged relief valve on pump

Clean, Reset, and Replace

 

 

worn parts

 

Cavitations

Check suction lines on inlet

 

 

of pump for restrictions

 

Unloader

Check for proper operation

Water in Crankcase

High Humidity

Reduce oil change intervals

 

Worn Seals

Replace seals

Noisy Operating

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

 

 

Pressure Drop

Inlet restriction

Check system for stoppage

 

 

 

air 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 flow

Drop at gun Rated,

 

rate of pump

Pressure

 

 

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

 

Pump Mounting Selection Guide

Bushings

01056 - 22 mm Tapered H Bushing

Pulley & Sheaves

01061 - 7.75” Cast Iron 1 gr. - AB

Section

01062 - 7.75” Cast Iron - 2 gr. - AB Section

Rails

01034 -Steel Box Rails

(L=9.25”x W=1.18”x h=1.62”)

01075 - Plated Steel Channel Rails

(L=9.00”x W=2.12”x H=2.50”)

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 Quart) p/n 01153

 

 

X

X

 

 

 

 

Seal Spare Parts (1 kit/pump)

 

 

 

 

X

 

 

 

(See page 5 for kit list)

 

 

 

 

 

 

 

 

Oil Seal Kit (1 kit/pump)

 

 

 

 

X

 

 

 

(See page 5 for kit lit)

 

 

 

 

 

 

 

 

Valve Spare Parts (1 kit/pump)

 

 

 

 

 

 

X

 

(See page 5 for kit list)

 

 

 

 

 

 

 

6

Image 6
Contents Contents Models P57 & P57-0011Installation Instructions Important Operating ConditionsSpecifications Models P57 & P57-0011 Pulley InformationExploded View P57 & P57-0011 P57 & P57-0011 Spare Parts List P57 & P57-0011 Torque SpecificationsP57 & P57-0011 Repair Kits Pulley & Sheaves Pump Mounting Selection GuideBushings RailsRepair Instructions P57 & P57-0011 To Check Suction and Discharge ValvesGiant Industries Limited Warranty

P57-0011, P57 specifications

The Giant P57, specifically the model P57-0011, is an outstanding example of modern engineering and design in the bicycle industry. This versatile bike is tailored to meet the demands of both casual riders and serious cyclists, blending innovative technology with practical performance features.

One of the main attractions of the Giant P57-0011 is its lightweight aluminum frame, which provides both strength and agility. The geometry of the frame is designed to offer a comfortable riding position, making it ideal for long rides as well as short commutes. This design ensures that riders can maintain efficient pedaling without sacrificing comfort, which is a critical factor for many cyclists.

The P57-0011 is equipped with an advanced suspension system that enhances its versatility across various terrains. With a front suspension fork that can absorb shocks from rough paths and potholes, riders will experience a smoother ride whether they are tackling city streets or venturing into more rugged landscapes. This feature also contributes to the bike’s overall stability and control.

In terms of performance, the Giant P57-0011 boasts an impressive gear system. The bike is fitted with a high-quality drivetrain that allows for smooth and precise shifting, ensuring that cyclists can easily navigate different inclines and speeds. Riders will appreciate the seamless transitions between gears, which enhance overall efficiency.

The braking system on the P57-0011 also deserves mention. It utilizes hydraulic disc brakes that provide reliable stopping power in all weather conditions. This feature is particularly vital for those who ride in varying climates or during inclement weather, offering peace of mind and added safety on the road.

Additional features of the Giant P57 include ergonomic grips and a padded saddle, enhancing comfort during long rides. The bike is also designed to accommodate various accessories, such as racks and fenders, making it adaptable for commuting, touring, or recreational riding.

In summary, the Giant P57-0011 is a well-rounded bike that integrates modern technologies with practical designs. Its lightweight frame, advanced suspension, reliable drivetrain, and superior braking system set it apart in the competitive cycling market. Whether for daily commutes or weekend adventures, the P57-0011 caters to a wide range of cycling needs, reaffirming Giant's commitment to quality and innovation in the biking industry.