Bobcat E27z Compact Excavator Service Manual (7354905enUS)

Bobcat E27z Compact Excavator Service Manual 7354905enUS (08-18)

This service manual offers complete maintenance, diagnostic, and repair procedures for the Bobcat E27z Compact Excavator, covering serial numbers B4R711001 & Above. It provides step-by-step guidance on hydraulic, engine, electrical, HVAC, undercarriage, and structural systems for professional-level servicing and troubleshooting.

Model Covers:

Bobcat E27z Compact Excavator
S/N B4R711001 & Above

Note: Applicable to late-production E27z excavators starting from S/N B4R711001, this manual includes improvements in electrical harnessing, enhanced controller diagnostics, and updated hydraulic system components.

👉 For earlier serials, refer to: Bobcat E27z Manual (7349963enUS)

👉 For the standard E27 with conventional tail swing: Bobcat E27 Manual (7349758enUS)

File Format: PDF

Size: 34.36 MB

No. of pages: 768

Language: English

Delivery Method: Instant Download - Access your file immediately after purchase.

📑 Table of Contents Overview:

Maintenance & Safety Operations

• Safety protocols including silica dust handling, fire prevention, fueling and welding practices
• Serial number identification, delivery reports, and excavator identification procedures
• Cab and canopy (ROPS/TOPS/FOPS) descriptions, servicing of doors, windows, wipers and ducting
• Transporting, tailgate and side cover adjustments, service schedules and air cleaner maintenance
• Engine cooling, lubrication, fuel and hydraulic system fluid service with detailed charts

Hydraulic System Service & Testing

• Hydraulic/hydrostatic schematics with circuit troubleshooting for swing, travel and cylinder systems
• Boom, arm, bucket, blade and clamp cylinder testing, removal, disassembly and reassembly
• Main, port, cross-port and pilot relief valves inspection, adjustment and functional checks
• Hydraulic pump torque adjustment, flow testing, startup, gear and piston pump rebuilds
• Control valve sections, manifolds, travel motors, swing motors and swivel joint servicing

Undercarriage & Track Components

• Blade removal and installation procedures
• Rubber and steel track undercarriage servicing, including tension adjustments and sprocket changes
• Idler and tensioner disassembly/assembly with identification charts and damage inspection
• Swing circle gear and bearing removal and installation

Upperstructure, Cab & Attachments

• Cab and canopy servicing, console covers, counterweight and seat removal/installation
• Travel levers, pedals, horn, tool box, fuel tank and floor mat service procedures
• Boom, arm, bucket, clamp, tailgate and quick coupler systems (KLAC™ & Lehnhoff®) installation and adjustment

Electrical System & Diagnostics

• Wiring schematics, fuse/relay identification, harness descriptions and troubleshooting charts
• Battery servicing, alternator belt adjustments, starter testing and lighting repair
• Diagnostic service codes, instrument panel setup, keyless start, controllers and laptop PC tool connections
• Magnetic lockout sensors, wiper motors, motion alarm systems and battery disconnect switch

Engine & Fuel System Overhaul

• Engine specifications, removal, compression checks, crankshaft and torque data
• Cooling system service (radiator, water pump, thermostat), lubrication system and oil pressure tests
• Fuel injection pump timing, solenoid checks, injector nozzle inspection and fuel camshaft servicing
• Cylinder head servicing, valve clearance, crankshaft and piston rebuild, camshaft and timing gear inspections
• Flywheel housing, pump couplers and related servicing

Heating, Ventilation & HVAC

• Cab filter maintenance, blower fan, heater coil, valve and duct servicing
• Troubleshooting airflow deficiencies and electrical malfunctions in HVAC system

Specifications & Technical Data

• Excavator dimensions and lift capacities for cab/canopy with multiple arm and counterweight configurations
• Hydraulic cycle times, engine performance, electrical, drive and slew system specifications
• Torque values for SAE/metric bolts, hydraulic connection standards and fluid specifications
• Conversion charts and required tools for hydraulic, electrical, engine and HVAC service

The Bobcat E27z Compact Excavator Service Manual is a complete reference for precise maintenance, repair and troubleshooting of the E27z model, designed for professional technicians.