TM 5-3895-356-14&P
2. The following schedules may be modified by terminating the break-in procedure at the maximum pressure
experienced on the application.
3. Procedures are included for break-in on the application or a test stand Operating conditions, other than those specified
below, are as outlined in "A Test Conditions" Page 131.
4. Electric Motor Drives and Engine Driven Test Stands.
Start drive, adjust speed to 1750 R P M and run in pump to the following schedule
TIME
DISCHARGE PRESSURE
CAM
5 Min
500 PSI
FULL CAM FORWARD
10MIN
1000PSI
FULL CAM FORWARD
10MIN
2000 PSI
FULL CAM FORWARD
10MIN
3000 PSI
FULL CAM FORWARD
10MIN
1000PSI
FULL CAM BACK
10MIN
2000PSI
FULL CAM BACK
10MIN
3000PSI
FULL CAM BACK
10MIN
4000 PSI
HALF CAM BACK
10MIN
5000 PSI
HALF CAM BACK
10MIN
4000 PSI
HALF CAM FORWARD
10MIN.
5000 PSI
HALF CAM FORWARD
Fixed motors may be broken in as the 2nd unit of a standard transmission while breaking In a variable pump, as
outlined above
5. Engine Driven Vehicle
Pumps and motors on the vehicle, are to be broken into the following procedure
a. With the pump m neutral, start the engine and hold at hall throttle for five minutes
b. With the vehicle operating on flat terrain and with the engine at half throttle, operate the pump at full
displacement forward for ten minutes
c. Repeat (b) with full displacement in reverse
d. Repeat (b) and (c) with full engine throttle
e. Select a moderate grade and repeat (b), (c), & (d) above
f.
Select the maximum grade the vehicle will operate on and repeat (d) above
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