TM 5-2420-230-24-1
b. Functional Test.
(1)
To perform hydraulic function test on FEL:
(a)
Turn hydraulic master switch (1) to ON position.
(b)
Loader indicator lamp (4) on left-hand control lever should be ON.
(c)
Run engine at 1,400 RPM and turn hydraulic master switch (1) to ON position.
(d)
Check positioning of bucket by raising loader arms to height of hood and turning bucket completely forward
(dumping) and then turning it completely in opposite direction (backward).
(e)
Bucket should contact stops in both directions.
(f)
With bucket completely turned backward, lower loader arms as low as possible.
(g)
Arms should come up against stops.
(h)
Lower bucket to ground so it is almost horizontal.
(i)
Raise loader arms and observe bucket. Arms and bucket should start to move smoothly, and bucket should
remain close to horizontal.
(j)
Raise loader arms to their maximum height.
(k)
Arms should contact stops.
(l)
Float position indicator lamp (6) should be out.
(m) Turn bucket completely forward (dumping).
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