Figure 4. Tri-Max and High Free Lift Carriage Assembly

TM 10-3930-644-14&P

Figure 4. Tri-Max and High Free Lift Carriage Assembly

C. TRI-FREE LIFT CARRIAGE SERVICE

TRI -MAX AND HIGH FREE LIFT CARRIAGE

INSTALLATION

1. Disassemble all the roller assemblies.

1. Block the inner mast assembly to allow

2. Do not intermix parts from the roller assemblies.

approximately 24" clearance between the mast

and floor.

3. Clean and inspect all parts for excessive

damage or wear. Replace as required.

2. Using a suitable hoist, lift carriage assembly into

its relative mounting position, then carefully

4. Reassemble the roller assemblies; Install any

guide It into the bottom of the Inner mast

other parts removed.

channel.

5. To adjust for any carriage side play after

3. Keeping tension off of carriage, install lift chains

installation, run the carriage up and down to

at carriage anchors and secure with anchor pins.

determine the narrowest point on the mast.

4. Install the spacer and capscrews at carriage

6. After determining the narrowest point, loosen the

roller supports.

four (4) locking screws, then tighten same

screws until the side play is eliminated at the

5. Install carriage forks.

narrowest point on the mast.

6. Remove mast support blocks.

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