20
308611
Service
Discard all locknuts upon removal, and replace with new ones.
Hydraulic Supply System Oil Change
CAUTION
Dust or dirt in the hydraulic system can damage the
hydraulic system components. Do not allow dust or
dirt to get into the hydraulic system when you service
the system.
Change the hydraulic oil as follows:
1.
Relieve the pressure.
See page 16.
2. Place 15-gallon waste pail under hydraulic
reservoir drain plug.
3. Remove O-ring (438) and drain plug (439), and
drain reservoir.
4. Replace O-ring (438) and drain plug (439).
5. Remove nuts (405), gasket (425), and reservoir
cover (426).
6. Remove return line filter (436). Install new return
line filter.
7. Inspect inlet filter. Replace if necessary.
8. Install nuts (405), gasket (425), and reservoir
cover (426).
9. Fill reservoir with 12 gallons (45.4 liters) of Graco
Hydraulic Oil. Install fill cap.
10. Run RoadLazer, and cycle pumps for a few
seconds to fill hydraulic motors with hydraulic oil.
Recheck hydraulic oil level. Do not overfill.
Trailer Tire Removal
Fig.14.
WARNING
FALLING OBJECT HAZARD
A free-standing RoadLazer could
become unstable when raised by a
portable jack.
To reduce the risk of injury and equipment damage
D
Connect RoadLazer to tow vehicle before
raising with jack.
D
Follow instructions in this manual.
FAILURE TO FOLLOW THIS WARNING CAN
RESULT IN DEATH OR SERIOUS INJURY
.
1. Connect RoadLazer to tow vehicle.
2. Raise rear of RoadLazer with hydraulic jack.
3. Place blocks under RoadLazer as precaution
against jack failure or slippage.
4. Remove cotter key (528) from axle castle nut
(527).
5. Remove axle castle nut, axle bolt (531), and
spacers (530).
6. Remove lug nuts (A) and wheel.
NOTE:
Any service station can repair a RoadLazer
flat tire.
Fig. 14
530
531
527
528
530
06254A
A