frame 2 TM 9-2320-209-34-2-1 1. 2. 3. Check that threaded cap (1) is not cracked or has any damaged threads. Fix minor thread damage with a threader. Throw away cracked cap and get a new one. NOTE Shims (2) are used to adjust pressure relief valve. The number of shims may differ from pump to pump. Some pumps may have no shims. The pressure relief valve spring (3) comes in a kit which contains new shims (2). Save the shims even if the pump you are working on had no shims. They will be used later for pump test and adjustment. Check that pressure relief valve (4) is not cracked or damaged. If damage is found, get a new part. WARNING Dry cleaning solvent is flammable. Do not use near an open flame. Keep a fire extinguisher nearby when solvent is used. Use only in well-ventilated places. Failure to do this may result in injury to personnel and damage to equipment. Check that pressure relief valve (4) does not have cracks or burrs, Fix small burrs with a fine mill or crocus cloth dipped in dry cleaning solvent. If pressure relief valve is cracked, throw it away and get a new one. END OF TASK 2-180