TM 5-2350-377-13&P
0015
HYDRAULIC INSTALLATION - Continued
f.
Stop engine; relieve hydraulic pressure.
2
1
3
5
4
T00703HBF
Figure 1.
Track Adjusting Cylinders Manifold.
CONDITION/INDICATION
Do track adjusting cylinders extend or retract?
DECISION
YES - Go to Track (Left or Right) Will Not Tighten or Loosen, HBF-TT (Electrical) (WP 0012).
NO - Go to Step (2).
STEP
2.
Perform oil flow test.
NOTE
Have suitable container ready to catch oil.
a.
Disconnect HYDR-MAN-IN-9 hose (Figure 1, Item 4) from elbow (Figure 1, Item 3) at port P on track and
blade manifold (Figure 1, Item 5). Cap elbow (Figure 1, Item 3).
b.
While holding open end of hose (Figure 1, Item 4) in suitable container, have assistant start engine.
Check for free flow of hydraulic oil from hose (Figure 1, Item 4).
c.
Stop engine; relieve hydraulic pressure. Connect hose (Figure 1, Item 4) to elbow (Figure 1, Item 3).
CONDITION/INDICATION
Is there a free flow of oil?
DECISION
YES - Replace spool valve Z2 or Z1 (WP 0045). Verify problem is solved.
NO - Go to Step (3).