TM 5-3610-253-14
Table 5-9. DIRECT/GENERAL SUPPORT TROUBLESHOOTING - Cont
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
1. MACHINE DOES NOT CUT THROUGH MATERIAL - Cont
Pressure should
f. Perform cut and observe clutch pressure at bleed port.
be 65 bar.
(a)
If clutch pressure is incorrect, adjust clutch
pressure regulator on control block as necessary
(b)
If correct pressure cannot be obtained, replace control
block (paragraph 5-20.2).
(c)
If clamping pressure is also being affected, replace
hydraulic pump (paragraph 5-20.5).
2.
KNIFE PULLS SHEETS OUT FROM UNDER CLAMP DURING CUT.
Check clearance between knife carrier and clamp (paragraph 5-20.1).
(a) If clearance is incorrect, adjust cl amp guiding (paragraph
(b) If clearance is correct, troubleshoot in accordance with
malfunction 4.
3. KNIFE CARRIER RUNS AGAINST GUIDING GIBS AT TOP.
Visually check for bent connecting rod, main drive gear shaft, or bent
eccentric bolt.
Replace defective parts as necessary.
4.
CLAMP MOVES DOWN TOO SLOWLY DURING CUTTING.
Check for proper clamping pressure as follows:
Using operator key, unlock safety lock, turn main power switch to I
position and allow paper cutter to run for 30 minutes to stabilize hydraulic fluid
temperature.
b. Turn main power switch to 0 position.
