Table 4-41. Engine LDS-465-2 Pressure Pump Drive Impeller and Drive Impeller Bore Wear Limits

TM 9-2815-210-34-2-2

FRAME 21

NOTE

R e a d i n g s must be within limits given in table 4-41. The

l e t t e r L shows a loose fit. If readings are not within

given limits, get a new oil pump.

M e a s u r e depth of pressure pump drive impeller bore (1).

M e a s u r e length A of pressure pump drive impeller (2).

S u b t r a c t measurement in step 1 from measurement in step 2. Result is

c l e a r a n c e between pressure pump drive impeller (2) and top of pressure

p u m p drive impeller bore (1).

GO TO FRAME 22

NOTE: CHECK ONLY THOSE PARTS WHICH ARE CALLED OUT IN THIS

FRAME. PARTS WITHOUT CALLOUTS ARE SHOWN ONLY FOR

REFERENCE PURPOSES OR ARE CHECKED IN ANOTHER FRAME.

TA 113630

Table 4-41. Engine LDS-465-2 Pressure Pump Drive Impeller

and Drive Impeller Bore Wear Limits

Size and Fit

Wear Limit

of New Parts

Index

(inches)

Item /Point of Measurement

Number

P r e s s u r e pump drive impeller

1.5600 to 1.5620

1.5635

bore depth

P r e s s u r e pump drive impeller

1.5560

1.5565 to 1.5580

length A

C l e a r a n c e between pressure

1 and 2

p u m p drive impeller and top

0.0020L

0.0055L

0.0075L

o f drive impeller bore

max