Backup operation capability is provided for many M992 systems. These backup
capabilities permit mission completion even if major components fail. The follow-
ing paragraphs include specific instructions for operating backup equipment.
Backup Hydraulic Pump
If the primary hydraulic pump fails, switch to backup hydraulic pump and notify
Organizational Maintenance. Hydraulic operation may continue as follows:
1. Pull BACKUP HYDRAULIC SYSTEM selector valve handle (1) out.
2. Close backup system dump valve by turning handle (2) clockwise.