Table 3-2. Preventative Maintenance Checks and Services
Interval
B-Before operation
A-After operation
M-Monthly
Item
D-During operation
W-Weekly
Q-Quarterly
Number
Operator
Org.
Daily
M
Q
Items to be inspected
Procedure
Reference
B
D
A
W
18
X
Engine Valve
Every 1,000 hours check valve adjustment. Cor-
Mechanism
rect setting for model 687C-18-ES is 0.012
inch (Hot) 0.014 inch (Cold).
Model D333TA is:
Intake 0.015"HOT
0.017"COLD
Exhaust 0.025"HOT
0.028"COLD
3-22
