Case Crawler & Wheeled Excavator 788-988 PLUS Service Manual 7-79416 – PDF DOWNLOAD

Description

Case Crawler & Wheeled Excavator 788-988 PLUS Service Manual

FILE DETAILS:

Case Crawler & Wheeled Excavator 788-988 PLUS Service Manual 

Size : 84.7 MB
Format : PDF
Language : English
Number of Pages : 1146 pages
Brand: Case
Type of machine: Excavator
Type of document: Service Manual
Model: Case Excavator 788-988 PLUS
Part No: 7-79416

CASE CRAWLER & WHEELED EXCAVATOR 788-988 PLUS SERVICE MANUAL 7-79416 – PDF DOWNLOAD:

IMAGES PREVIEW OF THE MANUAL:

DESCRIPTION:

Case Crawler & Wheeled Excavator 788-988 PLUS Service Manual 

GENERAL INFORMATION:

• Cleaning:Clean all metal parts except bearings. In a suitable cleaning solvent or by steam cleaning. Do not use caustic scda for steam cleaning. After cleaning, dry and put oil on all parts. Clean oil passages with compressed air. Clean bearings in a suitable cleaning solvent, try the bearings completely and put oil on the bearings.
• Inspection:Check all parts when the parts are disassembled. Replace all parts that have wear or damage. Small scoring or grooves can be removed with a hone or crocus cloth. Complete a visual inspection for indications of wear. pitting and the replacement of parts necessary to prevent early failures. Bearings Check bearings for easy action. If bearings have a loose fit or rough action replace the bearing. Wash bearings with a suitable cleaning solvent and permit to air dy. DO NOT DRY BEARINGS WITH COMPRESSED AIR.
• Needle Bearings:Before you press needle bearings in a bore always remove any metal protrusions in the bore or edge of the bore. Before you press bearings Into position put petroleum jelly on the inside and outside cfiameter of the bearings.
• Gears:Check all gears for wear and damage. Replace gears that have wear or damage.
• Oil Seals, O-rings and Gaskets:Always install new oil seals. O-rings and gaskets. Put petroleum jelly on seals and O-rings.
• Shafts:Check all shafts that have wear or damage. Check the bearing and oil seal surfaces of the shafts for damage.
• Service Parts:Always install genuine Case service parts. When ordering refer to the Parts Catalog torthe correct part number of the genuine Case replacement items. Failures due to the use of other than genuine Link- Belt replacement parts are not covered by warranty.
• Lubrication:Only use the oils and lubricants specified in the Operator’s or Service Manuals. Failures due to the use of non-specified oils and lubricants are not covered by warranty.

TABLE OF CONTENTS:

Case Crawler & Wheeled Excavator 788-988 PLUS Service Manual 

1 GENERAL INFORMATION
Safety, general and torque settings 1001 7-56942GB
Specifications (Crawler excavators)1002 7-80071GB
Specifications (Wheeled excavators)1002 7-80062GB
2 ENGINE
Engine removal and installation (788 – 988 – 988 Plus 2002 7-58681GB
Engine removal and installation (788 Plus)2002 7-26560GB
Radiator and oil cooler 2003 7-80621GB
Engine specifications 2401 * *
Cylinder head and valve assembly 2415 * *
Engine block 2425 * *
Lubrication system 2445 * *
Cooling system 2455 * *
Turbocharger 2465 * *
Turbocharger failure analysis2565 * *
3 FUEL SYSTEM
Fuel system and filter3410 * *
CAV injection pump 3411 * *
BOSCH injection pump 3412 * *
Fuel injector 3412 * *
BOSCH ANEROID fuel injection pump3416 * *
4 ELECTRICAL SYSTEM
Electrical schematic (Crawler excavators) – (before November 1999)4001 7-80040GB
Electrical schematic (Wheeled excavators) – (before November 1999)4001 7-80021GB
Electrical schematic (Crawler excavators) – (November 1999 and after)4001 7-26570GB
Electrical schematic (Wheeled excavators) – (November 1999 and after) 4001 7-26540GB
Electronic system and troubleshooting (Crawler excavators) 4002 7-80031GB
Electronic system and troubleshooting (Wheeled excavators) 4002 7-80051GB
Starter motor 4003 7-58691GB
Alternator 4004 7-58701GB
Powersensor diagnostic tool 4010 7-79991GB
5 UNDERCARRIAGE
Track group (Crawler excavators)5002 7-58711GB
6 DRIVE TRAIN
Travel reduction gear and brake (Crawler excavators) 6002 7-80661GB
Swing reduction gear and brake (788 – 788 Plus)6003 7-80671GB
Swing reduction gear and brake (988)6003 7-58731GB
Swing reduction gear and brake (988 Plus)6003 7-84141GB
Front axle and service brake (Wheeled excavators)6004 7-80681GB
Rear axle and service brake (Wheeled excavators) 6005 7-80691GB
Gearbox and parking brake (Wheeled excavators) 6008 7-80701GB
Twin wheels (Wheeled excavators) 6020 7-26170GB
7 UNDERCARRIAGE HYDRAULICS
Hydraulic travel motor (Mono-speed crawler excavators)7002 7-80711GB
Hydraulic travel motor (Two-speed crawler excavators) 7003 7-80721GB
Hydraulic travel motor (Wheeled excavators) 7003 7-80731GB
Travel control valve (Crawler excavators)7030 7-80741GB
Travel, stabilizer and dozer blade control valve
(wheeled excavators) 7031 7-84151GB
Steering, stabilizer, dozer blade and front axle locking cylinders
(wheeled excavators ) 7080 7-84161GB
8 UPPER STRUCTURE HYDRAULICS
Hydraulic inspection, adjustment and schematics
(crawler excavators) 8001 7-24590GB
Hydraulic inspection, adjustment and schematics
(wheeled excavators) 8001 7-24580GB
Hydraulic swivel (Crawler excavators) 8011 7-80791GB
Hydraulic swivel (Wheeled excavators) 8011 7-80801GB
Hydraulic pumps (788 – 788 Plus)8020 7-80211GB
Hydraulic pumps (988 – 988 Plus)8020 7-58862GB
Hydraulic swing pump8021 7-21700GB
Attachment control valve8031 7-80821GB
Swing control valve 8033 7-80831GB
Rotary control valve (Orbitrol) (Wheeled excavators) 8037 7-80841GB
Hydraulic swing motor and forced-feed safety block 8040 7-80851GB
Attachment and swing control block 8050 7-80261GB
Travel and option control block
(Foot pedal, Wheeled excavators)8051 7-80270GB
Travel hand control block (Inching, wheeled excavators) 8052 7-80870GB
Direction of travel inverter control block (Inching, crawler excavators) 8053 7-80290GB
Travel control block (788 – 788 Plus 988 – 988 Plus wheeled excavators) 8054 7-80301GB
Brake module (wheeled excavators)8060 7-80882GB
Parking brake electro-control valve (wheeled excavators) 8061 7-80952GB
Electro-control valve block (Crawler excavators) 8070 7-80321GB
Electro-control valve block (wheeled excavators)8071 7-84191GB
Selector block (788 Plus) 8072 7-26650GB
Attachment cylinders8080 7-84201GB
Safety valve 8081 7-26640GB
9 UPPERSTRUCTURE
Upperstructure and turntable bearing 9002 7-58932GB
Cab 9004 7-58191GB
Large format hydraulic and electrical schematics
(788 crawler excavators) – (before November 1999) Pocket 7-80190GB
Large format hydraulic and electrical schematics
(788 wheeled excavators) – (before November 1999) Pocket 7-80200GB
Large format hydraulic and electrical schematics
(988 crawler excavators) – (before November 1999) Pocket 7-58980GB
Large format hydraulic and electrical schematics
(988 wheeled excavators) – (before November 1999) Pocket 7-58970GB
Large format hydraulic and electrical schematics
(788 Pus crawler excavators) – (November 1999 and after)Pocket 7-26730GB
Large format hydraulic and electrical schematics
(788 Plus wheeled excavators) – (November 1999 and after) Pocket 7-26760GB
Large format hydraulic and electrical schematics
(988 Plus crawler excavators) – (November 1999 and after) Pocket 7-26770GB
Large format hydraulic and electrical schematics
(988 Plus wheeled excavators) – (November 1999 and after) Pocket 7-26780GB

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