HT25 - MAINTENANCE
91
TRENCHER
HT25 - MAINTENANCE
91
TRENCHER
To install chain:
1. Lay chain on ground with teeth down and pointed toward unit.
2. Start unit.
3. Back unit up until chain extends past head shaft about 1 ft
(30.5 cm).
4. Lower backfill blade to ground.
5. Lower boom to horizontal position.
6. Stop engine.
7. Pull rear end of chain over and about 10 in (26 cm) past tail
roller.
8. Use hoist to pull front end of chain over head shaft sprocket.
9. Move chain down boom until chain connector pin and lock
key can be installed. Install connector pin and lock key.
10. Tighten chain by pumping EPG into grease cylinder.
To install chain:
1. Lay chain on ground with teeth down and pointed toward unit.
2. Start unit.
3. Back unit up until chain extends past head shaft about 1 ft
(30.5 cm).
4. Lower backfill blade to ground.
5. Lower boom to horizontal position.
6. Stop engine.
7. Pull rear end of chain over and about 10 in (26 cm) past tail
roller.
8. Use hoist to pull front end of chain over head shaft sprocket.
9. Move chain down boom until chain connector pin and lock
key can be installed. Install connector pin and lock key.
10. Tighten chain by pumping EPG into grease cylinder.