TM 5-3990-263-13&P
0029
MALFUNCTION
Center Roller Manifold or Center Roller Cylinders are Faulty.
CORRECTIVE ACTION
1.
Connect hydraulic lines to hand pump and bleed system to remove any trapped air (Figure 2).
2.
Place suitable container under center roller cylinders (Figure 3).
CENTER ROLLER
ELBOWS
CYLINDER
CENTER ROLLER
HYDRAULIC
CYLINDER
HOSES
MANIFOLD
HAND
PUMP
HANDLE
SELECTOR LEVER
Figure 3.
Center Roller Manifold and Cylinders.
3.
Disconnect two hydraulic hoses from elbows on center roller cylinders (Figure 3).
4.
Move hand pump selector lever to UP position (Figure 3).
5.
Pump hand pump handle and observe open ends of hydraulic hoses for fluid flow (Figure 3).
a.
If hydraulic fluid is not flowing, replace center roller manifold (WP 0060) and verify problem
is corrected.
b.
If hydraulic fluid is flowing, replace center roller cylinders (WP 0060) and verify problem is
corrected.