TM 5-3825-213-35
The regulating valve, which is built into the pump, returns
b. Disassembly. Disassemble the plow and carrier
the excess oil to the suction side of the pump, and
engine oil pump in numerical sequence as illustrated on
maintains the correct oil pressure.
222.
Plow and Carrier Engine Lower Oil Pans
226.
Plow and Carrier Engine Oil Pump Assemblies
Removal and Disassembly
Cleaning, Inspection, and Repair
a. Removal.
a. Cleaning. Clean all parts with an approved
(1) Remove the plow and carrier engines (pars.
cleaning solvent and dry thoroughly.
Inspect all parts for
b. Inspection and Repair.
(2) Remove the plow and carrier engine lower
defective condition. Replace or repair worn, defective, or
oil pans as instructed on figure 63.
damaged parts.
b. Disassembly. Disassemble the plow and carrier
engine lower oil pans in numerical sequence as illustrated
227.
Plow and Carrier Engine Oil Pump Assemblies
on figure 64.
Reassembly and Installation
a. Reassembly. Reassemble the plow and carrier
engine oil pumps in reverse of nut cal sequence
223.
Plow and Carrier Engine Lower Oil Pans
illustrated on figure 65.
Cleaning, Inspection, and Repair
a. Cleaning. Clean all parts with an approved
b. Installation.
cleaning solvent and dry thoroughly.
(1) Install the plow and carrier engine oil
Inspect all parts for
pumps as instructed on figure 63.
b. Inspection and Repair.
defective condition. Replace or repair all worn, defective,
(2) Install the plow and carrier engine lower oil
or damaged parts.
pans (par. 224).
224.
Plow and Carrier Engine Lower Oil Pans
228.
Plow and Carrier Engine Upper Oil Pans
Reassembly and Installation
Removal
a. Reassembly. Reassemble the plow and carrier
a. Remove the plow and carrier engine oil pumps
engine oil pans in the reverse of numerical sequence
illustrated on figure 64.
b. Remove the plow and carrier engine upper oil
b. Installation.
pans as instructed on figure 63.
(1) Install the plow and carrier engine lower oil
pans as instructed on figure 63.
229.
Plow and Carrier Engine Upper Oil Plans
(2) Install the plow and carrier engines (pars.
Cleaning, Inspection, and Repair
a. Cleaning. Clean all parts with an approved
cleaning solvent and dry thoroughly.
225.
Plow and Carrier Oil Pump Assemblies
Inspect oil pan for
b. Inspection and Repair.
Removal and Disassembly
defective condition. Replace or repair a worn, damaged,
a. Removal.
or defective oil pan.
(1) Remove the plow and carrier lower oil pans
230.
Plow and Carrier Engine Upper Oil Pans
Installation
(2) Remove the plow and carrier engine oil
a. Install the oil pump (par. 227).
pumps as instructed on figure 63.
b. Install the upper plow and carrier engine oil pan
as instructed on figure 63.
158
