Download Case CX350C CX370C Crawler Excavator LC version [- ISUZU Engine GH-6HK1X (TIER 3)] Service Manual 

Part number 48063132
English
October 2016

This Factory Service Repair Manual offers all the service and repair information about Case CX350C , CX370C Crawler excavators LC version – ISUZU engine GH-6HK1X (TIER 3). With this in-depth & highly detailed manual you will be able to work on your vehicle with the absolute best resources available, which will not only save you money in repair bills but will also help you to look after your investment. The information on this manual covered everything you need to know when you want to repair or service Case CX350C , CX370C Crawler excavators LC version – ISUZU engine GH-6HK1X (TIER 3).

Models Covered:

CX350C Crawler excavators LC version – ISUZU engine GH-6HK1X (TIER 3)
CX370C Crawler excavators LC version – ISUZU engine GH-6HK1X (TIER 3)

Manual Contents:

INTRODUCTION
Engine…………………………………………………………………………… 10
[10.001] Engine and crankcase . . . . . . . . . . . . . . . . . . . . . . . . . .  . . . . . . . . . . 10.1
[10.102] Pan and covers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10.2
[10.106] Valve drive and gears . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10.3
[10.101] Cylinder heads . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  . . . . . . . . . . 10.4
[10.105] Connecting rods and pistons. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10.5
[10.103] Crankshaft and flywheel. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10.6
[10.216] Fuel tanks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10.7
[10.206] Fuel filters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10.8
[10.218] Fuel injection system. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  . . . . . 10.9
[10.250] Turbocharger and lines. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  . . . . . . . 10.10
[10.254] Intake and exhaust manifolds and muffler . . . . . . . . . . . . . . . . . . . . . . . . 10.11
[10.501] Exhaust Gas Recirculation (EGR) exhaust treatment. . . . . . . . . . . . . . . .  . . 10.12
[10.400] Engine cooling system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10.13
[10.414] Fan and drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . 10.14
[10.310] Aftercooler. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  . . . . . . . . 10.15
[10.304] Engine lubrication system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10.16
[10.408] Oil cooler and lines. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  . . . . . . . . . 10.17
Hydraulic systems…………………………………………………………………………………………… 35
[35.000] Hydraulic systems. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35.1
[35.300] Reservoir, cooler, and filters. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35.2
[35.104] Fixed displacement pump . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35.3
[35.106] Variable displacement pump . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35.4
[35.102] Pump control valves. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35.5
[35.359] Main control valve . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35.6
[35.357] Pilot system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35.7

[35.355] Hydraulic hand control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35.8
[35.356] Hydraulic foot control. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35.9
[35.352] Hydraulic swing system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35.10
[35.353] Hydraulic travel system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35.11
[35.354] Hydraulic central joint . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35.12
[35.736] Boom hydraulic system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35.13
[35.737] Dipper hydraulic system. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35.14
[35.738] Excavator and backhoe bucket hydraulic system . . . . . . . . . . . . . . . . . . 35.15
[35.360] Hammer and rotating bucket hydraulic system . . . . . . . . . . . . . . . . . . . . 35.16
Frames and ballasting ………………………………………………………………………………… 39
[39.140] Ballasts and supports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39.1
Tracks and track suspension ………………………………………………………………………… 48
[48.130] Track frame and driving wheels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48.1
[48.100] Tracks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48.2
[48.134] Track tension units . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .48.3
[48.138] Track rollers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48.4
Cab climate control ………………………………………………………………………………….. 50
[50.100] Heating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50.1
[50.104] Ventilation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50.2
[50.200] Air conditioning. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50.3
Electrical systems ………………………………………………………………………………. 55
[55.000] Electrical system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55.1
[55.100] Harnesses and connectors. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55.2
[55.525] Cab engine controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55.3
[55.015] Engine control system. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55.4
[55.201] Engine starting system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55.5
[55.301] Alternator. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55.6
[55.302] Battery. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55.7

[55.202] Cold start aid . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55.8
[55.010] Fuel injection system. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55.9
[55.014] Engine intake and exhaust system. . . . . . . . . . . . . . . . . . . . . . . . . 55.10
[55.989] Exhaust Gas Recirculation (EGR) electrical system . . . . . . . . . . . . . . . 55.11
[55.012] Engine cooling system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55.12
[55.013] Engine oil system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55.13
[55.640] Electronic modules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55.14
[55.512] Cab controls. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55.15
[55.036] Hydraulic system control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55.16
[55.051] Cab Heating, Ventilation, and Air-Conditioning (HVAC) controls. . . . . . . . . 55.17
[55.050] Heating, Ventilation, and Air-Conditioning (HVAC) control system. . . . . . . . 55.18
[55.416] Swing control system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55.19
[55.417] Travel control system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55.20
[55.530] Camera. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55.21
[55.518] Wiper and washer system. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55.22
[55.404] External lighting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55.23
[55.514] Cab lighting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55.24
[55.408] Warning indicators, alarms, and instruments . . . . . . . . . . . . . . . . . . . . . . 55.25
[55.992] Anti-theft system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55.26
[55.DTC] FAULT CODES. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55.27
Booms, dippers, and buckets ………………………………………………………………………. 84
[84.910] Boom . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84.1
[84.912] Dipper arm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84.2
[84.100] Bucket . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84.3
Platform, cab, bodywork, and decals ……………………………………………………………….. 90
[90.150] Cab. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90.1
[90.156] Cab windshield and windows . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90.2
[90.120] Mechanically-adjusted operator seat. . . . . . . . . . . . . . . . . . . . . . . . . 90.3

[90.100] Engine hood and panels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90.4

This manual can be used by anyone from a first time owner/amateur to a professional technician.Even the most novice mechanic can also easily follow the step-by-step guides which are made simple by the illustrations and drawings. Keep this manual handy and use it often. Performing routine, preventive maintenance will save you time & money by helping to prevent premature failure and unnecessary repairs.

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