retract smoothly. Inspect pipe fittings to make sure they
are secure. Inspect the cylinders for excessive leakage
which generally indicates O-ring or packing failure.
Report this condition to direct and general support
maintenance.
3-16.
Rock Drill Oil Reservoir Service
a.
Pressurized Reservoir. Service the pressurized
rock drill reservoir as illustrated in figure 3-3.
Figure 3-3. Rock drill pressurized reservoir service.
b.
Oil Reservoir. Refer to LO 5-3820-241-12 and service the hydraulic oil reservoir as illustrated in figure 3-4.
3-6
