TM 5-2350-377-13&P
0013
HYDRAULIC INSTALLATION - Continued
2
1
3
5
4
T00503HBF
Figure 1.
Oil Flow Test.
CONDITION/INDICATION
Do track adjusting cylinders extend and retract?
DECISION
YES - Go to Track (Left or Right) Will Not Tighten or Loosen, HBF-TT System (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.
c.
Stop engine; relieve hydraulic pressure. Connect hose (Figure 1, Item 4) to elbow (Figure 1, Item 3).
CONDITION/INDICATION
Does oil flow freely?
DECISION
YES - If oil flows freely, replace inoperative spool valve Z1 or Z2 (WP 0045). Verify problem is solved.
NO - If oil does not flow freely, go to Step (3).