JLG 1850SJ, Service And Maintenance Manual, Page: 114 / 712

SECTION 3 - CHASSIS & TURNTABLE
3-64 3121619
Table 3-8. Maintenance Standstill Cleaning
Standstill Cleaning
Levels
Machine Hours
Since Last
Cleaning
System Distress
Light
SCR Cleaning
Light
Derate Comments
0
Normal
Operation
0-500
- - - - None
Between 500 and 1000 hours, clean-
ing cycle can be initiated with JLG
analyzer.
500-1000
1
Standstill
Required
1000-1100 - -
0.5 Hz
None
Engine coolant temperature muxt
be >40° C and DEF should be thawed
before cleaning can be initiated.
2
Warning
Level
1100-1125
Continuous 0.5 Hz
Machine placed in
Creep and DTC
active
3
Shut Off
Level
>1125
Blinking
3 Hz
Idle Lock. Boom
Functions Locked
Out and Trapped in
Transport.
Contact Deutz Dealer.
Table 3-9. Cleaning When Crystallization is Detected During SCR
Crystallization
Levels
Machine Hours
after
Crystallization
Cleaning
Initiation
Methods
System Distress
Light
SCR Cleaning
Light
Derate
Normal Operation
No Crystallization
Detected
- - - - - - None
Crystallization Detected
Standstill Required
0-5
SCR Switch
or Analyzer
- -
0.5 Hz
None
Crystallization Detected
Warning Level 1
5-600
SCR Switch
or Analyzer
Continuous
0.5 Hz
Machine placed in
Creep and DTC
active
Crystallization Detected
Shut Off Level
>600
Contact Deutz
Dealer.
Blinking 3 Hz
Idle Lock. Boom
Functions Locked
Out and Trapped in
Transport.