Skytrak 8042 - Diesel Exhaust Fluid (DEF) System - Engine Coolant Strainer Cleaning

Engine
7-16
31211015 6036, 6042, 8042, 10042, 10054
7.6.12 Diesel Exhaust Fluid (DEF) System –
Engine Coolant Strainer Cleaning
(S/N 0160082087 to Present)
The engine coolant strainer is installed on the DEF engine
coolant supply hose and should be cleaned every 2000
hours.
1. Park machine on a firm level surface, level machine, fully
retract boom, level boom, place transmission in
(N)
NEUTRAL,
engage park brake and shut the engine OFF.
2. Place a Do Not Operate Tag on both the ignition key
switch and steering wheel.
3. Open the engine rear and side doors. Allow the system
fluids to cool.
4. Properly disconnect the battery.
5. Remove and retain hardware and covers (1) from
top of
machine frame.
Note: Thoroughly clean DEF engine coolant supply hose,
fittings, and surrounding area.
6. Clamp the DEF engine coolant supply hose (2) with
hose pliers at each end of engine coolant strainer (3).
Note: Use a suitable container to catch coolant drainage
beneath the engine compartment.
7. Loosen and remove two clamps (4) from DEF cool
ant
sup
ply hose (2). Remove engine coolant strainer (3).
Note: Prevent dirt, debris, and/or hose particles from entering
exposed hose ends.
8. Loosen and separate the strainer housings. Remove th
e
filter
screen from inside strainer.
9. Brush any debris from the screen and upstream side of
the housing.
Note: If the screen is damaged, replace engine coolant strainer.
10. Install the screen in its original location. To reassemble,
connect strainer housings and torque from 35 - 45 ft
lbs
(47
- 61 Nm).
11. Install strainer, oriented as shown, with the longer en
d
poin
ting towards the DEF coolant valve (5). Secure with
the two previously removed clamps. Orient cl
amps as
sho
wn.
12. Tighten and torque clamps to 40 in-lb (4,5 Nm).
13. Remove hose pliers from the DEF coolant supply hose.
MAG3050
1
1
MAE19780
2
4
3
4
2
5