10-5/8 HYDRAULIC BACKUP
Model 02F10E
© AUGUST 20, 2013
PAGE 6
Backup in Lowest Position (Default)
Backup in Higher Position
FIGURE 4.21: ADJUSTMENT OF HEIGHT OVERVIEW
To adjust the Backup closer to the Tong (upwards):
1. Move the Backup to a position that is slightly higher than the approximate desired position.
2. Ensure the Backup body is fully supported.
WARNING: Ensure the Backup body is security supported before proceeding to the
next steps to prevent any sudden movements.
3. While holding the front spring and cup, remove the bolt and locknut.
4. Move up the front spring and cup until it touches the Backup body.
5. Insert the bolt to the nearest hole under the front spring and cup. If the spring and cup need to
go higher to get the bolt into the desired hole, the Backup body will need to be raised further.
6. Adjust the chain in the rear to ensure Backup body will remain as level as possible with the
Tong (see Section 4.1 for leveling of the Backup).
7. Ensure to do steps 2 to 5 for the front spring and cup on the other side.
8. Remove support holding up the Backup body. If Backup body still needs further leveling, refer
to Section 4.1).
To adjust the Backup further from the Tong (downwards):
1. Move the Backup body slightly up so it no longer rests on the front springs.
2. Ensure the Backup body is fully supported.
WARNING: Ensure the Backup body is security supported before proceeding to the
next steps to prevent any sudden movements.
3. While holding the front spring and cup, remove the bolt and locknut.
4. Move the front spring and cup down to the hole position that will place the Backup at the
approximate desired position.
5. Insert the bolt to the nearest hole under the front spring and cup.
6. Repeat step 3 to 5 for the other front spring and cup.
7. Remove the chain holding the Backup body back end from chain hook on both sides.
8. Move the Backup body down until it is freely resting on the front spring, while still supporting the
back of the Backup body.
9. Adjust the chain in the rear to ensure Backup body will remain as level as possible with the
Tong (see Section 4.1 for leveling of the Backup).
10. Remove support holding up the back of Backup body. If Backup body still needs further
leveling, refer to Section 4.1.
BACKUP
BODY
FRONT
SPRING
BOLT AND
LOCKNUT
HOLDING
SPRING IN
PLACE
FRONT
SPRING CUP
