Allied Systems Long Reach BHA Series 설치 유지보수 및 서비스 매뉴얼 - 페이지 19

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5.7 Wear Plug Replacement

1. Remove the two threaded plugs located underneath

the rack weldment. ( Figure 5-8)

Front of Attachment

Wear Plug

Plug Insert

Threaded Plug

Figure 5-8, Wear Plugs

2. Remove the old wear plugs.

3. Replace the plug inserts located in the threaded plugs

before reinstalling.

4. Install the new wear plugs and secure them in place

with the threaded plugs.

5.8 Gripper Pin Replacement

1. Check gripper pins for wear or cracks. Replace them

when necessary.

2. Loosen the capscrew that secures the gripper pin. It

may be necessary to heat the bolt head to soften the

loctite that secures it. While holding the gripper pin

remove the capscrew that holds the gripper pin in

place. (Figure 5-9)

45-053, REV. 5/18

Capscrew

Washer

Slotted Washer

Gripper Pin

Figure 5-9, Wear Plugs

3. Insert the new gripper pin and secure it with the cap-

screw that has been treated with Loctite threadlocker

272 (red). Torque the capscrew to approximately 1000

ft-lbs.

5.9 Grease Fitting Locations

1. Use a standard lithium grease when necessary on the

grease fittings located in the gear pins. (Figure 5-10)

Grease Fitting

Locations

Figure 5-10, Grease Fitting Locations