TM 5-3805-248-23-2
HYDRAULIC SYSTEM FLOW METER TEE TEST AND MAINTENANCE - CONTINUED
0321 00
BLOCKED COMPONENTS TEST - CONTINUED
Ejector Forward Flow Rate (Ejector Circuit Blocked).
2.
a.
Block ejector circuit with a blocking plate at circuit line.
b.
Open manual load valve on flow meter fully.
c.
Start engine and run at 1,900 RPM. Move the ejector control lever into FORWARD position.
d.
Slowly adjust manual load valve on flow meter for a pressure of 1,000 psi (6,895 kPa).
e.
Record flow rate. Refer to Table 4. Correct ejector forward flow rate is 68 gpm (257 l/min).
3.
Bowl Lower Flow Rate (Right Cylinder And Balance Line Blocked).
a.
Block right cylinder and balance line with blocking plates.
b.
Open manual load valve on flow meter fully.
c.
Start engine and run at 1,900 RPM. Move bowl control lever into the LOWER position.
d.
Slowly adjust manual load valve on flow meter for a pressure of 1,000 psi (6,895 kPa).
e.
Record flow rate.
4.
Bowl Raise Flow Rate (Left Cylinder And Balance Line Blocked).
a.
Block left cylinder and balance line with blocking plates.
b.
Open manual load valve on flow meter fully.
c.
Start engine and run at 1,900 RPM. Move bowl control lever into the RAISE position.
d.
Slowly adjust manual load valve on flow meter for a pressure of 1,000 psi (6,895 kPa).
e.
Record flow rate.
5.
Bowl Lower Flow Rate (Left Cylinder And Balance Line Blocked).
a.
Block left cylinder and balance line with blocking plates.
b.
Open manual load valve on flow meter fully.
c.
Start engine and run at 1,900 RPM. Move bowl control lever into the LOWER position.
d.
Slowly adjust manual load valve on flow meter for a pressure of 1,000 psi (6,895 kPa).
e.
Record flow rate.
6.
Apron Raise Flow Rate (Apron Circuit Blocked).
a.
Block apron circuit with blocking plate at circuit line.
b.
Open manual load valve on flow meter fully.
c.
Start engine and run at 1,900 RPM. Move apron control lever in the RAISE position.
d.
Slowly adjust manual load valve on low meter for a pressure of 1,000 psi (6,895 kPa).
e.
Record flow rate.
7.
Apron Raise Flow Rate (Cylinder Blocked).
a.
Block apron cylinder with blocking plate.
b.
Open manual load valve on flow meter fully.
c.
Start engine and run at 1,900 RPM. Move apron control lever into RAISE position.
d.
Slowly adjust manual load valve on flow meter for a pressure of 1,000 psi (6,895 kPa).
e.
Record flow rate.
0321 00-14
