TM 5-3895-373-34 2.55 REPLACE VALVE PANEL CONTROL VALVES AND FLOW DIVIDERS - Continued. C. INSTALL - Continued. 11. INSTALL RETURN MANIFOLD ON ENGINE COWLING. a. Install    lockwashers    (42)    onto    hex    head    cap screws (41). Thread   locking   compound   can   cause eye damage. Wear safety goggles/glasses    when    using.        Avoid contact with eyes.  If compound contacts eyes,      flush   eyes   with   water   and   get immediate medical attention. b. Apply thread locking compound to threads of hex head cap screws (41). NOTE It may be necessary to connect hydraulic tubes to return manifold ports before hex head cap screws are tightened per step c. c.  Position return manifold bracket (44) and ground wire lead (43) in place and secure with hex head cap screws (41).  Tighten cap screws to 37 lb-ft (50 N.m). Electrical   insulating   varnish   fumes   can be harmful if inhaled.  Use only in a well ventilated area. Avoid prolonged exposure to fumes. If personnel become dizzy or drowsy during use,  get immediate medical attention. d. Apply electrical insulating varnish to ground wire lead (43). Hydraulic  fitting  sealant  can  cause  eye damage  or   skin   irritation.      Wash   after skin contact. Wear safety goggles/glasses    when    using.        Avoid contact   with   eyes   or   skin.      If   sealant contacts eyes, flush eyes with water and get immediate medical attention. e. Apply hydraulic fitting sealant to exposed threads of  screed  vibration  solenoid  valve  tees  (34  and 36). NOTE Ensure    hydraulic    tubes    loosened    or removed    at    both    ends    during    return manifold removal are tightened. f. Connect  tube  (33)  and  hose  (32)  to  tee   (34). Tighten tube and hose. g. Connect tube (35) to tee (36).  Tighten tube. GO TO NEXT PAGE 2-786