NOTES:
8. HYDRAULIC RESERVOIR DRAIN. Before draining
hydraulic reservoir, lower the boom and rest the drill
1.
FOR OPERATION OF EQUIPMENT in
carriage on the ground.
PROTRACTED COLD TEMPERATURES BELOW -
9. SLIDE SURFACES. Each 4 hours clean and lightly
150F (-26C). Remove lubricants prescribed in Key for
coat the drifter drill mounting slide, drill carriage
temperatures above -150F (-26 C). Relubricate with
mounting slide and the sliding cone cylinder hanger slide
lubricants specified in Key for temperatures below -15 F
with GAA.
(-26 C). If OEA lubricant is required to meet the
temperature ranges prescribed in the Key, OEA lubricant
10. LUBRICANTS. The following is a list of lubricants
is to be used in place of OE/HDO-10 lubricant for all
with military symbols and applicable specification
temperature ranges where OE/HDO-10 is specified in
numbers.
the Key.
OE/HDO
MIL-L-2104
2. OIL CAN POINTS. Each 50 hours lubricate linkage,
GO
MIL-L-2105
pins, springs, hinges and all exposed adjusting threads
GAA
MIL-G-10924
with OE/HDO.
OEA
M IL-L-46167
(SD), Type II
P-D-680
3. AIR LINE LUBRICATOR RESERVOIR. Fill cap must
be tight for proper operation. Before removing fill cap or
drain plug, close air supply line valve and run air motor
until pressure is relieved.
4. FINAL DRIVE-TAMMING MOTOR DRIVE GEAR-
FEED MOTOR GEARCASE. Check level each 10
Copy of this Lubrication Order will remain with the
hours. Change gear lubricant only when required by
equipment at all times, instructions contained herein are
maintenance repair action, contamination by water, or
mandatory.
other foreign material.
After refill, operate for five
minutes, check for leaks and bring oil level to level plug
By order of the Secretary of the Army:
opening.
JOHN A. WICKHAM, JR.
5. FEED MOTOR GEARCASE.
Check oil level with
General, United States Army
boom horizontal.
Chief of Staff
6. HYDRAULIC RESERVOIR FILL. Check level each
OFFICIAL:
50 hours. After filling the hydraulic reservoir, operate the
hydraulic system for 5 minutes. Check level and add oil
ROBERT M. JOYCE
as required to maintain the level within 6 inches from top
Major General, United States Army
of reservoir (3/4 full.)
The Adjutant General
7. AIR LINE LUBRICATOR. Adjust to permit 30 to 45
DISTRIBUTION:
drops per minute to enter air lines.
To be distributed in accordance with DA Form 12-25B,
Operator
and
Organizational
maintenance
requirements for Rock Drilling Equipment.
TA 220572
I U.S. GOVERNMENT PRINTING OFFICE: 1984-420-903/270
CARD 5 OF 5
