MAINTENANCE REQUIREMENTS.

TB 1-1730-229-30-3

(d) Start AGPU and set AC POWER switch to ON. Check for proper indications on load

bank.

(e) Set hydraulic module power and output switch to ON.

(f) Increase system pressure to 3300 psi.

(g) Open HIGH PRESSURE BYPASS valve until pressure drops to 3000 psi and lock bypass

valve.

(h) Set load bank to 40 KW (133% on the AGPU AC % LOAD meter).

(i) After 30 seconds, set load bank to 55 KW. AGPU should shed load in 4-7 seconds.

(j) Set AC load bank to OFF.

(k) Reduce hydraulic pressure to 500 psi. Close HIGH PRESSURE BYPASS valve.

(l) Allow load bank to cool.

(m) Set AC POWER switch to OFF.

7. APPLICATION. This TB shall be applied to all AGPUs.

8. MAINTENANCE REQUIREMENTS.

a. PAINT. The AGPU shall have a final topcoat of CARC paint in accordance with MIL-DTL-53072.

Color shall be SAND 33303 unless otherwise specified by PM AGSE.

b. DATA PLATES. All data plates, decals, and schematic diagrams shall be legible. Replace

questionable items.

c. MODIFICATION WORK ORDERS (MWO). N/A.

d. SEAL AND GASKET LEAKAGE. There shall be no leakage permitted.

e. MANDATORY REPLACEMENT PARTS. See paragraph 13, Table 3, for the Mandatory

Replacement Parts Lists. Locking devices (such as lock washers, lock nut, etc.), gaskets, seals,

pneumatic and engine clamps, and o-rings that are removed shall not be re-used and must be

replaced.

HARDWARE. Hardware shall be replaced if broken. Hardware may be reconditioned/re-used or

equal or greater value hardware substituted if the material is not readily available through the

supply channels as long as material meets all MIL specifications and drawings.

g. CORROSION AND PAINTING (See paragraph 10). New internal items that are replacement

items shall not be repainted. Access doors, covers, panels, and the control box shall only be

disassembled as necessary to facilitate any repair. Damaged and corroded items shall only be

disassembled to a level where repairs can be made. Replacement of items or next higher

assembly may be an option. Interior surfaces shall only be cleaned and shall not be repainted

unless an item has been repaired. The repaired surface(s) then shall be spot painted. Stage 1

and 2 rust on interior surfaces is acceptable and shall not require a repair or paint with the

exception that no corrosion is acceptable on any sealing or electrical surface or contact. Exterior

surfaces shall be painted with CARC paint IAW MIL-DTL-53072; color shall be SAND 33303

unless otherwise specified by AMCOM.