Volvo MC60 Operating and installation instructions
Service Information
Document Title: Function Group: Information Type: Date:
Control Terminology 600 Service Information 2014/3/17
Profile:
SSL, MC60 [GB]
Control Terminology
To understand the safety, operation and maintenance information presented in this section, it is necessary for the operator/
mechanic to be familiar with the name and location of the machine controls. The following illustration identifies the
components that are referred to throughout this section.
Figure 1
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
14.
15.
Standard hand/foot controls
Optional hands only controls
Seat bar
Right travel/ Steering and auxiliary hydraulic control lever
Engine throttle
Attachment tilt foot pedal
Loader arm raise/lower foot pedal
Left travel/Steering lever
Attachment tilt hand control
Right travel/Steering control lever
Engine throttle
Auxiliary hydraulic foot pedal
Left foot pedal (not used)
Left travel/Steering control lever
Loader arm raise/Lower hand control
Service Information
Document Title: Function Group: Information Type: Date:
Travel/Steering Levers,
description
600 Service Information 2014/3/17
Profile:
SSL, MC60 [GB]
Travel/Steering Levers, description
Travel/Steering Lever Operation
Two travel/steering levers control speed, steering and stopping. The right lever controls the wheels on the right side of the
machine and the auxiliary hydraulic control (side to side movement). The left lever controls the wheels on the left side of the
machine.
Figure 1
Travel Controls
1.
2.
3.
4.
Forward
Reverse
Left
Right
To travel forward (1), both levers must move forward. To travel in reverse (2), both levers must move backward. To turn left
(3), the left lever goes back while the right lever goes forward. To turn right (4), the right lever goes back while the left lever
goes forward. To stop travel, return both levers to the center (NEUTRAL) position. Refer to the Owners/Operators Manual for
more detailed operational instructions.
Without attachment, the machine is rear heavy. Therefore, when no attachment is fitted to the machine, move the machine
by using smooth controls and the engine at low idle.
Service Information
Document Title: Function Group: Information Type: Date:
Neutral centring and
control lever adjustment
643 Service Information 2014/3/17
Profile:
SSL, MC60 [GB]
Neutral centring and control lever adjustment
Op nbr 643-083
1. Put the machine in service position 1, see .
191 Service position 1
2. Raise and block the machine, see .
191 Safety when handling accumulators
NOTE!
Without an implement or bucket attached to the loader arm attachment bracket, the machine is rear end heavy.
When raising the machine, raise the rear first and place support blocks under the rear of drive chain cases, not
under the slanted part of the fuel and hydraulic oil reservoirs.
3. With the machine supported and all tires off the ground, start the engine and set the throttle at “low idle.” Allow
the machine hydraulic oil to warm up to normal operating temperature [43°C (110°F)], and shut the engine OFF.
NOTE!
The centering spring assemblies return the travel/steering levers to the NEUTRAL (center) position when it is
released during operation. Perform the following procedure for each lever:
4. Loosen the damping cylinder from the transmission lever.
Figure 1
1. Damping cylinder
5. There cannot be any end-play in the centering spring assembly. Check for end-play by lightly pushing and pulling
on the linkage rod. If end-play is detected, loosen the hex jam nut, and adjust nut to position the front and rear
spring guides against the front and rear retaining rings with minimal force. Once end-play has been eliminated,
retighten the hex jam nut.
Figure 2
Centering spring assembly
1.
2.
3.
4.
Centering spring assemblies
Linkage rod
Hex jam nut
Adjust nut
Travel/Steering Lever Position
6. If either (left and right) travel/steering lever is not in a vertical (straight up) position, proceed to the next step. If
both levers are in a vertical position, skip to Step 14.
Figure 3
Travel/steering lever position
1. Travel/steering lever in vertical (straight up) position
Travel/steering lever vertical adjustment right side shown
7. Loosen the hex jam nut on the front linkage rod ball joint.
Figure 4
1.
2.
3.
4.
5.
Hex jam nut
Link rod ball joint
Lever pivot
Locknut
Capscrew
8. Disconnect right side link rod ball joint from the right travel/steering lever pivot by removing the locknut from
capscrew.
9. With the travel/steering lever held in a vertical position, turn the linkage rod ball joint as required to align the ball
joint with its mounting hole in the travel/steering lever.
10. Tighten the ball joint hex jam nut against the ball joint once the travel/steering lever(s) has been adjusted to the
vertical (straight up) position.
11. Repeat Steps 4 through 8 to center the opposite travel/steering lever if required.
12. Start the engine, and set the throttle at “low” idle.
If the tires on either side of the machine DO NOT turn (creep), see .
643 Neutral centring test
If the tires on either side of the machine DO turn (creep), the neutral position for the appropriate control
requires adjustment. Shut the engine OFF and proceed to the next step.
13. Loosen the jam nut fully on the transmission linkage ball joint that requires adjustment.
Figure 5
Travel/steering lever adjustment
1.
2.
Jam nut
Ball joint
14. Remove the capscrew, linkage rod with hex lock nut and ball joint, flat washer , rebound washer , and hex locknut .
DO NOT remove the rubber isolator from the transmission lever.
Figure 6
Travel/steering lever adjustment (left side shown)
1.
2.
3.
4.
5.
6.
7.
8.
9.
Capscrew
Linkage rod
Hex lock nut
Ball joint
Flat washer
Rebound washer
Hex locknut
Rubber isolater
Lever
15. If the tires turn rearward in Step 10, the ball joint should be rotated counterclockwise (farther off the rod) to make
the rod overall length longer. If the tires turn forward in Step 10, the ball joint should be rotated clockwise (farther
onto the rod) to make the rod overall length shorter.
16. Reassemble the linkage rod with hex locknut and ball joint to the transmission lever with capscrew, flat washer,
rebound washer and hex locknut. DO NOT tighten at this time.
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