LUBRICATION ORDER
L0 5-4320-251-12
23 May 1978 (Supersedes LO 5.4320-251-12, 5 March 1971)
PUMP, RECIPROCATING, POWER DRIVEN DIAPHRAGM, GASOLINE
ENGINE DRIVEN, WHEEL MOUNTED, 100 GPM
(GORMAN-RUPP MODEL 4D2A016)
Reference: LO 5-2805-257-12, and C9100-IL
Intervals and related task-hour times are based on normal
indicated by dotted arrow shaft on both sides of equipment,
hours of operation. The task-hour time specified is the time
Clean parts with SOLVENT, dry cleaning, or with OIL, fuel,
you need to do all the services prescribed for a particular in-
diesel. Dry before lubricating. Drain crankcase when HOT.
terval, Change the interval if your lubricants are contamin-
Fill and check Ievel. The lowest level of maintenance author-
ated or if you are operating the equipment under adverse
ized to lubricate a point is indicated by one of the following:
operating conditions, including longer-than-usual operating
(C) Operator/crew; or (0) Organizational Maintenance.
hours. You may extend the interval during periods of low
You can help improve this publication. If you find any mis-
activity, but you must take adequate preservation precau-
take or if you know of a way to improve the procedures,
tions.
please let us know. Your letter or DA Form 2028 (Recom-
*The time specified is the time required to perform all ser.
mended Changes to Publications and Blank Forms) should
vices at the particular interval.
be mailed directly to: Commander, U. S. Army Troop Sup-
port & Aviation Materiel Readiness Command, ATTN:
Clean fittings before lubricating. Relubricate all areas ex-
DRSTS-MTPS, 4300 Goodfellow Blvd.
St. Louis, MO
posed to water after amphibious operation, Lubricate points
63120, A reply will be furnished to you.
*
*
TOTAL
TASK-HR
TOTAL
TASK-HR
INTERVAL
TASK-HR
INTERVAL
TASK-HR
10
0.3
0.2
100
FOLD
FOLD
q
q
LUBRICANT
INTERVAL
INTERVAL
LUBRICANT
For Engine Lubrication
10 GAA Connecting Rod Bear-
See L05-2805-257-12
ing (0)
Gearcase Oil Cup
10
OE
(Fill and level)
Gearcase Drain Plug
100
(Correct level is l/2
(0) (Drain and refill)
full) (See key) (0)
Wheels
GAA
500
50
GAA Plunger Rod (0)
(C) (Sparingly)
CARD 1 OF 2
