Engine
7-13
6036, 6042, 8042, 10042, 10054 31211015
7.6.8 Cummins Diesel Exhaust Fluid (DEF) Tank
- (if equipped for ULS 110 hp (82 kW))
(S/N 0160082087 to Present)
Note: Contact Cummins at 1-800-CUMMINS for all service if
the DEF tank assembly is still within warranty. Warranty may be
voided if service is conducted by anyone other than Cummins
service personnel.
Note: The following procedures are only to be performed when
warranty is expired.
The DEF tank is located in the front of the fuel/hydraulic oil
reservoir.
a. DEF Tank Removal
1. Park machine on a firm, level surface, level machine, fully
retract boom, lower boom, place transmission in (N)
NEUTRAL, engage parking brake, and shut engine OFF.
2. Place a Do Not Operate Tag on both ignition key switch
and steering wheel.
3. Open the engine doors. Allow the system fluids to cool.
4. Properly disconnect battery. Refer Section 9.8, “Battery”,
for procedure.
5. Open DEF tank filler access cover (1).
6. Remove DEF tank access cover at the front of
the
h
ydraulic oil/fuel reservoir (2).
7. Thoroughly clean the DEF tank and surrounding area.
8. Disconnect electrical connection on top of DEF tank (3).
9. Loosen clamps, label, disconnect and pl
ug and/or cap
DEF tank coolant hoses (5).
10. Label, disconnect and plug and/or cap DEF tank
DEF
hoses (6).
1
1. Remove DEF tank drain plug (7) and transfer fluid into
a
suita
ble container. Dispose fluid at an approv
ed
r
ecycling facility. Reinstall drain plug (7).
12. Remove straps securing DEF tank to frame (4) an
d
re
move DEF tank.
b. DEF Tank Inspection
1. If cleaning DEF tank, Refer to Section 7.6.11, “C
ummins
Diesel Exhaust Fluid (DEF) System Cleaning – (if
e
quipped for ULS 110hp (82kW)) (S/N 0160082087 to
Present)” for procedure.
2. If replacing DEF tank, remove all components and retain
for use on replacement tank. Refer to Section 7.6.9,
“Cummins Diesel Exhaust Fl
uid (DEF) Header – (if
e
quipped for ULS 110hp (82kW)) (S/N 0160082087 to
Present)”.
3. Dispose of damaged DEF tank according to local
regulations.
c. DEF Tank Installation
1. Install all previously removed components. Refer to
Section 7.6.9, “Cummins Diesel Exhaust Fluid (DEF)
Header – (if equipped for ULS 110hp (82kW)) (S/N
0160082087 to Present)”, for detailed header
installation procedure.
2. Install DEF tank and secure to frame with the pr
eviously
r
emoved straps (4).
3. Remove plugs and/or caps from the previously labele
d
DEF
tank DEF hoses (6) and connect to their appropriate
locations.
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