Complete workshop repair & service manual with electrical wiring diagrams for Case 9021 Hydraulic Excavator (9013, 9021, 9033, 9046). It's the same service manual used by dealers that guaranteed to be fully functional and intact without any missing page.

This 9021 Hydraulic Excavator (9013, 9021, 9033, 9046) service & repair manual (including maintenance, overhaul, disassembling & assembling, adjustment, tune-up, operation, inspecting, diagnostic & troubleshooting…) is divided into different sections. Each section covers a specific component or system with detailed illustrations. A table of contents is placed at the beginning of each section. Pages are easily found by category, and each page is expandable for great detail. The printer-ready PDF documents work like a charm on all kinds of devices.

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7-22341 - 9021 Hydraulic Excavator (9013, 9021, 9033, 9046) Service Manual.pdf

EXCERPT:
9021 HYDRAULIC EXCAVATOR
TABLE OF CONTENTS
1 GENERAL INFORMATION
Safety, general information and torque specifications ... 1 001
Specifications ... 1 002
2 ENGINE
Engine removal and installation ... 2000
Engine radiator and oil cooler and cooling system reservoir ... 2001
Engine specifications details .. 2402
3 FUEL SYSTEM
4 ELECTRICAL SYSTEM
Electrical schematic and troubleshooting ...4001
Battery testing, maintenance and booster battery connections .. .4002
Controller .. .4003
5 STEERING
Tracks, rollers and idlers ... 5002
6 POWER TRAIN
Drive motor and final drive transmission ... 6002
Swing motor and swing reduction gear .. 6003
7 BRAKES
8 HYDRAULICS
Cleaning the hydraulic system .. 8000
Hydraulic schematic, troubleshooting and pressure checks .. 8001
Main hydraulic pump ... 8002
Main hydraulic control valves ... 8003
Cylinders ... 8004
Hand control valves, foot control valves, shuttle valve, travel shuttle valve and accumulator ... 8005
Eight spool solenoid valve ... 8006
Cushion control valve ... 8007
Auxiliary hydraulics ... 8008
Hydraulic pilot filter, hydraulic inline filter and bypass oil filter .. 8011
Swing brake release solenoid valve .. 8012
Hydraulic swivel ... 8013
9 MOUNTED/EQUIPMENT
Upper-structure and counterweight ... 9002
Boom, arm and bucket .. 9003
Seat mounting and belts ... 9004
Cab and cab equipment ... 9005
Air conditioner troubleshooting ... 9006
Air conditioner system service .. 9008
Air conditioner components service .. 9009
Large format hydraulic and electrical schematics .. in rear pocket
Large format hydraulic schematic (options) ... in rear pocket
...
Disassembly
NOTE: For the disassembly and assembly operations on the 9013 machine foot control valves, refer to "Option Dozer blade - travel foot control valve" on page 40.
- Disassemble the boot (1 ).
- Remove the pin lock screw (2).
- Use a 8 mm dia. drift to remove the pin (3).
- Remove the cam (4).
- Disassemble the nuts (5) and remove the screws (6).
- Disassemble the screw (7) and remove the thrust plate (8).
- Using a special tool, drift out the bushings (9).
- Disassemble the bushings (1 0).
- Remove the guides (11) and drift out the push-rods (12).
- Disassemble the 0-rings (13) and the wiper seals (14).
- Remove the shock absorber assembly consisting of:
. the cups (15),
. the springs (16) and (17),
. the spring seats (18),
. the locking rings (19),
. the balls (20),
. the thrust bushings (21 ).
- Remove the spool assemblies:
. compress the springs (23) by pressing on the spring seats (24),
. remove the half lock-washers (25), the seats (24), the springs (22), the spring seats (26), the shims (27 and the spools (28).
- Remove the springs (22) from the foot control valve (29).
- Disassemble the plugs (30) only in the event of a leak.
- Carry out the same procedure for the second body (31 ).
...

Case 9021 Hydraulic Excavator Factory Service & Shop Manual