Table 4-1. Organizational Preventive Maintenance Checks and Services (Continued)
M = Monthly
A/R = As Required
Q = Quarterly
H = Hourly
ITEM TO BE INSPECTED
NO. M A/R
FORMULATION TANK (Continued)
b. Check all hoses and fittings for damage.
(1) If hoses are cracked, chafed, burned or leaking replace them.
(2) If fittings are damaged or leaking, replace them.
If hose or fitting damage is too great to repair, replace the entire harness and not
the damaged hose or fitting.
c. Make sure all valves operate smoothly and do not leak.
d. Make sure filter cap seals correctly and does not leak.
Figure 4-23. Formulation Tank Filter
e. Check formulation tank filter.
(1) Unscrew filter cap and remove filter screen. If it is clogged or dirty, clean it with
soap and water such as P-S-579.