TM 5-2420-231-10
0011
FEL OPERATING PROCEDURES - Continued
2. Push down on clamshell lockout thumb control (Figure 1, Item 2) to unlock clamshell lockout control.
3. Position FEL bucket 1 foot (0.3 m) above ground and tilt bucket to desired position (dozer, scraper, loader
(standard bucket), or clamshell) (Figure 3).
4. Place FEL bucket in dozer position (Figure 3) so clamshell is wide open.
5. Tilt FEL bucket to scraper position (Figure 3) and open clamshell to desired depth of cut.
6. Close clamshell to loader position (standard bucket) (Figure 3) and lift up on clamshell lockout thumb
control to lock clamshell lockout control.
7. Push down on clamshell lockout thumb control to unlock clamshell lockout control and place FEL bucket
in clamshell position (Figure 3), position bucket over material, and open clamshell completely.
NOTE
FEL lift arms will continue to lower until bucket reaches ground or until lift arms and bucket
control lever is manually pivoted to NEUTRAL (HOLD).
8. Use RETURN-TO-DIG position on FEL control lever to position bucket for another dig cycle.
Figure 3. 4-in-1 FEL Bucket Operation.