Table 1. Preventive Maintenance Checks and Services (PMCS)
for the M400T and M400W SSL - Continued.
c. If oil is not visible in sight gauge, Oil is not visible.
add oil until visible at midpoint in
When servicing hydraulic reservoir, clean filler cap and area around filler cap to help reduce the risk of
hydraulic system contamination. Failure to follow this caution can result in damage to equipment.
1. Check cap is present.
Cap is missing.
2. Clean filler cap and area
around filler cap with a rag.
3. Slowly turn filler cap
counterclockwise (left) until
pressure is relieved, then
remove filler cap.
4. Add oil through filler opening
until oil level is visible at
midpoint in sight gauge.
Refer to LO 5-3805-292-13
for correct grade of oil for
expected temperature range.
5. Install filler cap and turn fully
clockwise (right) until tight.
Figure 17. Hydraulic Reservoir Filler Cap and Sight Gauge.