Chapter 3. DIRECT AND GENERAL SUPPORT MAINTENANCE

TM 11-6730-235-35

CHAPTER 3

DIRECT AND GENERAL SUPPORT MAINTENANCE

Section I. GENERAL

j. Alignment of lens head assembly (para 3-13).

3-1. Scope of Maintenance

The maintenance duties assigned to direct and

k. Disassembly of roll attachment (para 3-14).

general support maintenance technicians for the

projector are listed below together with references

l. Disassembly of top plate assembly (para

to the paragraphs in this chapter that cover the

3-15).

specific maintenance functions.

m. Disassembly of case assembly (para 3-16).

a. Troubleshooting (paras 3-3 and 3-4).

n. Reassembly of roll attachment (para 3-17).

b. Removal of lens head assembly (para 3-5).

o. Reassembly of case assembly (para 3-18).

c. Removal of arm and post assembly (para

3-6).

p. Reassembly of top plate assembly (para

d. Removal of top plate assembly (para 3-7).

3-19).

e. Removal of case assembly (para 3-8).

q. Alignment of projector optical axis (para

3-20).

f. Replacement of case assembly (para 3-9).

g. Replacement of top plate assembly (para

3-2. Tools and Test Equipment Required

3-10).

Direct and general support maintenance of the

h. Replacement of arm and post assembly (para

projector requires the use of tools contained in

3-11).

Tool Kit, Photographic Repairman TK-77/GF and

of test equipment Multimeter AN/URM-105 or

i. Replacement of lens head assembly (para

equivalent.

3-12).

Section II. TROUBLESHOOTING

b. The systematic troubleshooting procedure

3-3. General Troubleshooting Techniques

requires the performance of the operational checks

assigned to the operator in TM 11-6370-235-12.

a. Troubleshooting at the direct support and

The troubleshooting chart in paragraph 3-4 lists

general support levels of maintenance includes all

symptoms that may be encountered when these

of the techniques outlined for operator and organi-

operational checks are performed on a defective

zational maintenance in TM 11-6370-235-12

projector. Those symptoms for which corrective

plus any other techniques required to localize and

measures can be performed by an operator or

isolate trouble to a defective projector assembly,

organizational maintenance man have been

subassembly, or part.

3-1