JLG 266 LoPro Service Manual - Manual (Page 67)

7.7 266, 307, 266 LoPro
Engine: Deutz BF 4M 2012
d. Disassembly and Assembly
The fuel/hydraulic oil reservoir is a one piece-unit integral
to the chassis frame and cannot be disassembled.
7.6.4 After Fuel System Service
1. Drain and flush the fuel tank if it was contaminated.
2. Fill the fuel tank with fresh, clean diesel fuel as required.
Note: If bleeding of the fuel system is required, contact
your local Deutz AG Service Partner.
7.7 ENGINE EXHAUST AND AIR
CLEANER SYSTEM
When the exhaust or air cleaner systems are removed be
sure to cover any open ports to prevent dirt and debris
from contaminating engine components.
7.8 ENGINE REPLACEMENT
7.8.1 Engine Removal
1. Park the machine on a firm, level surface, fully
retract the boom, lower the boom, place the
transmission control lever in (N) NEUTRAL, engage
the park brake and shut the engine OFF.
2. Place a Do Not Operate Tag on both the ignition key
switch and the steering wheel, stating that the
machine should not be operated.
3. Open the engine cover. Allow the system fluids to
cool.
4. Remove belly pan of engine compartment.
5. Thoroughly clean the engine and surrounding area,
including all hoses and fittings before proceeding.
6. Disconnect the battery negative (-) cable from the
battery negative (-) terminal.
7. Remove the engine cover.
8. Remove battery from engine compartment,
disconnect and remove battery tray.
9. Drain hydraulic reservoir. Refer to Section 8.7.1,
“Hydraulic Oil Reservoir Draining.”
10. Drain radiator and overflow bottle. Refer to Section
7.4.2, “Radiator/Oil Cooler and Coolant Heater
Replacement.”
11. Label, disconnect and cap all hydraulic hoses
attached to engine and radiator, cap all fittings and
plug hoses to keep dirt & debris from entering
hydraulic system.
12. Disconnect the fuel inlet (1) and return lines. Install a
plug in the end of each line.
13. Remove hydraulic and fuel filters, windshield washer
fluid reservoir and filter bracket assembly.
14. Remove radiator overflow bottle.
15. Unbolt and remove the fan safety shroud.
16. Remove bolts securing the radiator and lift it clear of
engine compartment. Refer to section Section 7.4.2,
“Radiator/Oil Cooler and Coolant Heater
Replacement.”.
17. Mark the engine fan orientation. Remove the engine
fan.
18. Unbolt the relay distribution panel behind the engine.
Label any loose wire connections.
19. Unplug the necessary harness plugs that go into the
cab.
20. Carefully pull wires through engine compartment
wall and place on engine.
21. Mark the location of the throttle cable (2) at the
engine throttle lever. Disconnect the throttle cable.
WARNING:
Exhaust fumes contain
carbon monoxide, a colorless, odorless gas
which is fatal when inhaled in a confined area.
Avoid breathing exhaust fumes, and prevent
engine operation from becoming a cause of
toxic emissions. Exhaust system components
reach high temperatures and can cause
severe burns. DO NOT come into contact with
hot exhaust system components.
CAUTION:
NEVER run the engine
with only the inner safety element installed.
MAH0620
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