TM 5-3825-213-35
CHAPTER 4
STEERING HYDRAULIC SYSTEM REPAIR INSTRUCTIONS
Section I. STEERING HYDRAULIC PUMP
free. Dust and dirt can create a
62.
General
serious malfunction of the system.
The hydraulic steering booster pump driven by
the carrier engine is of the single-cartridge, balanced-
Caution
vane type, having a constant rate of delivery per
Never use an air hose on or near the
revolution. Because the vanes are initially ejected by
exposed parts because of the
centrifugal force it is essential when starting that the
presence of moisture in air system.
minimum drive speed be held to 600 rpm until the pump
is primed and pressure built up.
b. Inspection and Repair. Inspect all parts for
wear, scoring, pitting, or other damage. Repair or
63.
Steering Hydraulic
Pump
Removal
and
replace defective parts as necessary.
Disassembly
65.
Steering Hydraulic Pump Reassembly and
a. Removal. Remove the steering hydraulic pump
Installation
(TM 5-3825-213-20).
a. Reassembly.
Reassemble the steering
b. Disassembly.
Disassemble the steering
hydraulic pump in the reverse of numerical sequence
hydraulic pump in numerical sequence as illustrated on
illustrated on figure 12.
Note.
64.
Steering Hydraulic Pump Cleaning, Inspection,
Immerse all parts in clean hydraulic
and Repair
fluid to facilitate reassembly.
a. Cleaning.
Clean all parts in an approved
Note
cleaning solvent and remove foreign matter from
Inspect for correct pump rotation.
passages.
To drive a pump in the wrong
direction may cause it to seize due to
Caution
lack of oil.
When repairing any component of
the steering hydraulic system be
b. Installation. Install the steering hydraulic pump
sure to keep work area dust and dirt
(TM 5-3825-213-20).
51