Checking Valve Lash; Adjusting Valve Lash - Detroit Diesel EPA04 MBE 900 Operator's Manual

MAINTENANCE
Checking Valve Lash — Check
valve lash as follows:
1. For each valve, measure the valve
lash with a feeler gauge between
the rocker arm and valve stem
(exhaust valve) or valve bridge
(intake valve). It should be
possible to pull the feeler gauge
through with no more than light
resistance.
2. If the value measured is within
the range listed in Table 28 in the
"Check For" column, check the
next valve.
If the value measured is outside the
range listed in Table 28 in the "Check
For" column, adjust the valve lash.
Adjusting Valve Lash — Adjust
valve lash as follows:
1. If adjustment is needed, loosen
the locknut. See Figure 37 for
intake valves and Figure 38 for
exhaust valves. Use the exact
settingslisted in Table 28 in the
"Adjust To" column.
Valve Type
Intake
Exhaust
Table 28 Valve Lash Checking and Adjustment
82
DDC-SVC-MAN-0055
Check For:
0.30 to 0.60 mm (0.012 to 0.024 in.)
0.50 to 0.80 mm (0.020 to 0.032 in.)
Copyright © 2009 DETROIT DIESEL CORPORATION
Figure 37 Intake Valves
Figure 38 Exhaust Valves
0.40 mm (0.016 in.)
0.60 mm(0.024 in.)
All information subject to change without notice. (Rev. )
Adjust to: