SPRINGS

TM 9-2520-270-34

m, SPRINGS,

(1) Inspect springs for wear, distortion, breaks, and discoloration (evidence of overheating)

(2) Use indicator caliper to check spring length. Physical specifications are contained in the

task relating to the specific part.

n. SHAFTS AND SPINDLES. Inspect shafts and spindles for excessive wear, binding, scoring,

cracks, burrs, and obstructed oil passages.

o. BALL VALVES

(1) Inspect steel balls for rust, pitting, or grooving,

(2) Inspect ball seats for scoring, pitting, or damage.

p. SLIDE VALVES.

(1) Inspect slide valves and housing for wear, burrs, scoring, and evidence of sticking. Ensure

that slide valves move freely within their housing.

WARNING

Sharp edges can cut hands.

Use rags or brush to lubricate.

(2) Inspect slide valve lands, All edges should be square and sharp. Do not damage these sharp

edges during cleaning or repair operations.

q, HOSES.

(1) Inspect hoses for cuts, breaks, or abrasions in the wire-braided covering.

(2) Inspect hoses covered by plastic tubing for breaks.

(3) Inspect hose fittings for leakage or twisting of the hoses in their assembled positions.

(4) Inspect hoses connected to 45 or 90 hose to boss elbows for kinking caused by incorrect

elbow position.

r. ADAPTERS AND HOSE TO BOSS ELBOWS

(1) Inspect adapters and elbows for leakage or damaged threads.

(2) Inspect adapters and elbows for damaged or extruded preformed packings caused by

excessive torque when tightening adapters or elbows.

(3) Inspect adapter and elbow seats for scoring, pitting, or corrosion.

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