Stanley Labounty MDP Series - Thrust Washer Inspection (MDP 90); MDP 90 Thrust Washer Inspection Steps; Remove Front Cylinder Pin; Remove Main Pivot Group and Washers

28 | MDP Operation & Maintenance Manual
THRUST WASHER INSPECTION -
MDP 90
1. Locate at, hard ground and place the attachment on the
ground. Ensure the Upper Jaw is secured and will not fall
during removal.
NEVER remove any pins unless MDP is on the
ground and blocked. Serious injury or death
could result.
2. Remove the front cylinder pin, as shown in Figure 37.
3. Remove the main pivot group, as shown in Figure 38.
4. Remove the Upper Jaw from the MDP body.
5. Remove the Thrust Washers from the Upper Jaw.
6. Using a caliper, measure the thickness of both Thrust
washers. Add the two measurements.
7. If the sum is .97 inches or less, replace the Thrust Washers.
THRUST WASHER
THRUST WASHER
Remove Main Pivot Group
FIGURE 38
END CAP
MAIN PIN
Remove Thrust Washers
FIGURE 39
Remove Front Cylinder Pin
FIGURE 37